which of the following is true about network security

127. What type of network security test can detect and report changes made to network systems? Network firewall filter traffic between two or more networks while host What is the next step? Excellent communication skills while being a true techie at heart. Developed by JavaTpoint. Explanation: After the crypto map command in global configuration mode has been issued, the new crypto map will remain disabled until a peer and a valid access list have been configured. It is a type of device that helps to ensure that communication between a device and a network is secure. This message resulted from an unusual error requiring reconfiguration of the interface. 119. Explanation: Network security consists of: Protection, Detection and Reaction. What ports can receive forwarded traffic from an isolated port that is part of a PVLAN? RADIUS supports remote access technology, such as 802.1x and SIP; TACACS+ does not. 94. Would love your thoughts, please comment. Which two conclusions can be drawn from the syslog message that was generated by the router? the source IP address of the client traffic, the destination port number of the client traffic, the source port number of the client traffic, a server without all security patches applied, creating hashing codes to authenticate data, creating transposition and substitution ciphers, aaa authentication dot1x default group radius. 67. 23. Use ISL encapsulation on all trunk links. Frames from PC1 will be forwarded since the switchport port-security violation command is missing. This provides a user with unlimited attempts at accessing a device without causing the user account to become locked and thus requiring administrator intervention. Refer to the exhibit. What command is used on a switch to set the port access entity type so the interface acts only as an authenticator and will not respond to any messages meant for a supplicant? 43) The term "CHAP" stands for __________. Protection It uses a proxy server to connect to remote servers on behalf of clients. An administrator discovers that a user is accessing a newly established website that may be detrimental to company security. 55. Sometimes firewall also refers to the first line of defense against viruses, unauthorized access, malicious software etc. 118. Select one: A. It protects the switched network from receiving BPDUs on ports that should not be receiving them. Explanation: The access list LIMITED_ACCESS will block ICMPv6 packets from the ISP. What elements of network design have the greatest risk of causing a Dos? WebAn intrusion prevention system (IPS) is a network device that detects network intrusion attempts and prevents the network intrusion. The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and network administrators to implement the following recommendations to better secure their network infrastructure: Segment and segregate networks and functions. 42) Which of the following type of text is transformed with the help of a cipher algorithm? It is a kind of wall built to prevent files form damaging the corporate. 40. 134. Explanation: Grey hat hackers may do unethical or illegal things, but not for personal gain or to cause damage. Explanation: In general, Stalking refers to continuous surveillance on the target (or person) done by a group of people or by the individual person. 33) Which of the following is considered as the world's first antivirus program? C. Both A and B C. Only a small amount of students are frequent heavy drinkers It is a type of device that helps to ensure that communication between a Frames from PC1 will be forwarded to its destination, but a log entry will not be created. Software-defined segmentation puts network traffic into different classifications and makesenforcing security policieseasier. NOTE: If you have the new question on this test, please comment Question and Multiple-Choice list in form below this article. D. Nm$^2$. Which VPN implementation typically needs no additional firewall configuration to be allowed access through the firewall? What is the most common default security stance employed on firewalls? (Not all options are used. What are two additional uses of ACLs? Within the next three years, 90 percent of IT organizations may support corporate applications on personal mobile devices. B. A network administrator has configured NAT on an ASA device. Generally, these types of mail are considered unwanted because most users don't want these emails at all. UPSC Daily Current Affairs Quiz: 18 January 2023, PARAKH: UPSC Daily Important Topic | 18 January 2023, Daily Quiz on Current Affairs by Gkseries 18 January 2023, Daily Current Affairs: 18 January 2023 | Gkseries, ISRO Shukrayaan I mission to planet Venus reportedly shifted to 2031, Italian film legend Gina Lollobrigida passes away at age 95, Gogoro, Belrise to Bet $2.5 bn on Battery-swapping Infra in Maharashtra, Retired DG of BSF Pankaj Kumar Singh appointed Deputy NSA, Writer K Venu received Federal Bank Literary Award 2023, Committees and Commissions Current Affairs, International Relationship Current Affairs. documents used in encryption and authentication protocols that identify a person or computer and can be verified by a certification authority, spreads by replicating itself into programs or documents, monopolizes network services or network bandwidth, inspects packets as they go into and out of the network, a series of letters, numbers, and special characters, much like a password, that both communicating devices use to authenticate each other's identity, malware that's activated when a particular event occurs, a self-contained, self-replicating program, packets are denied on context as well as packet properties, permits access to computer, bypasses normal authentication. Each network security layer implements policies and controls. DH (Diffie-Hellman) is an algorithm that is used for key exchange. Application security encompasses the hardware, software, and processes you use to close those holes. Organizations must make sure that their staff does not send sensitive information outside the network. Production traffic shares the network with management traffic. 44) Which type of the following malware does not replicate or clone them self's through infection? Both the ASA CLI and the router CLI use the # symbol to indicate the EXEC mode. Web4. Web41) Which of the following statements is true about the VPN in Network security? to generate network intrusion alerts by the use of rules and signatures. Set up an authentication server to handle incoming connection requests. Telnet uses port 23 by default. HTTP uses port 80 by default." "Which network device or component ensures that the computers on the network meet an organization's security policies? Network Access Control (NAC) ensures that the computer on the network meet an organization's security policies. (Choose two. 65. 51. Another important thing about Trojans is that the user may not know that the malware enters their system until the Trojan starts doing its job for which they are programmed. 75. 9. Behavioral analytics tools automatically discern activities that deviate from the norm. The admin determined that the ACL had been applied inbound on the interface and that was the incorrect direction. (Choose two.). (Choose three. unavailable for its intended users. What provides both secure segmentation and threat defense in a Secure Data Center solution? It is ideally suited for use by mobile workers. 10. Enable IPS globally or on desired interfaces. Here is a brief description of the different types of network security and how each control works. Ideally, the classifications are based on endpoint identity, not mere IP addresses. A user account enables a user to sign in to a network or computer. 149. Investigate the infected users local network. A recently created ACL is not working as expected. For example, users working from home would typically connect to the organization's network over a VPN. Verify that the security feature is enabled in the IOS. During Phase 1 the two sides negotiate IKE policy sets, authenticate each other, and set up a secure channel. Explanation: Cryptanalysis is the practice and study of determining the meaning of encrypted information (cracking the code), without access to the shared secret key. Prefix lists are used to control which routes will be redistributed or advertised to other routers. 14) Which of the following port and IP address scanner famous among the users? Which protocol would be best to use to securely access the network devices? Which two statements describe the characteristics of symmetric algorithms? (Choose three.). 34) Which one of the following principles of cyber security refers that the security mechanism must be as small and simple as possible? It copies traffic that passes through a switch interface and sends the data directly to a syslog or SNMP server for analysis. It saves the computer system against hackers, viruses, and installing software form unknown sources. False A. 8) Which of the following refers to stealing one's idea or invention of others and use it for their own benefits? (Choose two.). Some operating systems allow the network administrator to assign passwords to files and commands. 30. Refer to the exhibit. (Choose two.). They are commonly implemented in the SSL and SSH protocols. B. Explanation: Tails is a type of Linux-based operating system that is considered to be one of the most secure operating systems in the world. You will also need to configure their connections to keep network traffic private. C. Circuit Hardware authentication protocol A web security solution will control your staff's web use, block web-based threats, and deny access to malicious websites. Which two statements describe the use of asymmetric algorithms. It is usually used to protect the information while transferring one place to another place. What technology has a function of using trusted third-party protocols to issue credentials that are accepted as an authoritative identity? How should the admin fix this issue? 97. It is very famous among the users because it helps to find the weaknesses in the network devices. (Choose two.). Tripwire is used to assess if network devices are compliant with network security policies. The first 32 bits of a supplied IP address will be matched. 102. After issuing a show run command, an analyst notices the following command: 56. The firewall will automatically allow HTTP, HTTPS, and FTP traffic from s0/0/0 to g0/0, but will not track the state of connections. What is needed to allow specific traffic that is sourced on the outside network of an ASA firewall to reach an internal network? Explanation: In order to explicitly permit traffic from an interface with a lower security level to an interface with a higher security level, an ACL must be configured. 2. Explanation: In terms of Email Security, phishing is one of the standard methods that are used by Hackers to gain access to a network. There are many tools, applications and utilities available that can help you to secure your networks from attack and unnecessary downtime. 137. ACLs are used primarily to filter traffic. Explanation: Syslog operations include gathering information, selecting which type of information to capture, and directing the captured information to a storage location. 11) Which of the following refers to the violation of the principle if a computer is no more accessible? 49. Explanation: It is essential to always keep the firewall on in our computer system. R1(config)# crypto isakmp key cisco123 address 209.165.200.226, R1(config)# crypto isakmp key cisco123 hostname R1. Explanation: The IPsec framework consists of five building blocks. Match the type of ASA ACLs to the description. What are two drawbacks to using HIPS? Explanation: The Aircrack-ng is a kind of software program available in the Linux-based operating systems such as Parrot, kali etc. the network name where the AAA server resides, the sequence of servers in the AAA server group. RSA is an algorithm used for authentication. list parameters included in ip security database? Explanation: A keyed-hash message authentication code (HMAC or KHMAC) is a type of message authentication code (MAC). Explanation: Among the following-given options, the Cloud Scan is one, and only that is not a type of scanning. B. Layer 2 address contains a network number. It is also known as the upgraded version of the WPA protocol. Refer to the exhibit. Explanation: If a user uses the Root account of the UNIX operating system, he can carry out all types of administrative functions because it provides all necessary privileges and rights to a user. Explanation: It is generally defined as the software designed to enter the target's device or computer system, gather all information, observe all user activities, and send this information to a third party. C. The code was encrypted with both a private and public key. The certificate revocation list (CRL) and Online Certificate Status Protocol (OCSP), are two common methods to check a certificate revocation status. address 64.100.0.2R2(config)# crypto isakmp key 5tayout! Some best practices that mitigate BYOD risks include the following:Use unique passwords for each device and account.Turn off Wi-Fi and Bluetooth connectivity when not being used. When a superview is deleted, the associated CLI views are deleted., Only a superview user can configure a new view and add or remove commands from the existing views.. You should know what It is a device installed at the boundary of an incorporate to protect it against the unauthorized access. 79. A. Which IPv6 packets from the ISP will be dropped by the ACL on R1? 121. Which rule action will cause Snort IPS to block and log a packet? B. VPN creating a secure, encrypted "tunnel" across the open internet. A network administrator configures AAA authentication on R1. 6. A. Authentication Which three functions are provided by the syslog logging service? Require remote access connections through IPsec VPN. R1 will open a separate connection to the TACACS+ server for each user authentication session. 53 What is the next step in the establishment of an IPsec VPN after IKE Phase 1 is complete? The dhcpd enable inside command was issued to enable the DHCP client. It is usually based on the IPsec( IP Security) or SSL (Secure Sockets Layer), C. It typically creates a secure, encrypted virtual tunnel over the open internet. HMAC can be used for ensuring origin authentication. Configure Snort specifics. Step 6. In some cases where the firewall detects any suspicious data packet, it immediately burns or terminates that data packet. A company has a file server that shares a folder named Public. The network security policy specifies that the Public folder is assigned Read-Only rights to anyone who can log into the server while the Edit rights are assigned only to the network admin group. What network testing tool would an administrator use to assess and validate system configurations against security policies and compliance standards? The VPN is static and stays established. Explanation: Reaper is considered as the world's first antivirus program or software as it can detect the copies of a Creeper (the world's first man-made computer virus) and could delete it as well. It can be considered as a perfect example of which principle of cyber security? (Choose two.). 52. An advantage of this is that it can stop an attack immediately. SIEM is used to provide real-time reporting of security events on the network. Use the aaa local authentication attempts max-fail global configuration mode command with a higher number of acceptable failures. RADIUS offers the expedited service and more comprehensive accounting desired by remote-access providers but provides lower security and less potential for customization than TACACS+. 28. all other ports within the same community. Explanation: The fail-safe Defaults principle of cyber security restricts how privileges are initiated whenever a subject or object is created. What is the function of a hub-and-spoke WAN topology? WebI. C. Reaction What type of device should you install as a decoy to lure potential attackers? A. What can be determined from the displayed output? Explanation: Confidentiality, Integrity, Availability and Authenticity all these four elements helps in understanding security and its components. What are two drawbacks in assigning user privilege levels on a Cisco router? A network administrator is configuring AAA implementation on an ASA device. Explanation: The single-connection keyword enhances TCP performance with TACACS+ by maintaining a single TCP connection for the life of the session. In its simplest term, it is a set of rules and configurations designed to protect Which statement describes a difference between the Cisco ASA IOS CLI feature and the router IOS CLI feature? Explanation: The term "CHAP" stands for the Challenge Handshake Authentication Protocols. Mail us on [emailprotected], to get more information about given services. Explanation: Cyber Ethics refers to exploring the appropriate, ethical behaviors related to online environments and digital media. D. Access control. 45. Network Security Questions and Answers contain set of 28 Network Security MCQs with answers which will help you to clear beginner level quiz. Refer to the exhibit. It helps you better manage your security by shielding users against threats anywhere they access theinternet and securing your data and applications in the cloud. Cyber Stalking is a type of cybercrime in which a person (or victim) is being followed continuously by another person or group of several people through electronic means to harass the victim. It is the traditional firewall deployment mode. 1) In which of the following, a person is constantly followed/chased by another person or group of several peoples? Explanation: DNS stands for the Domain name system; the main work of a DNS is to translate the Domain name into an IP address that is understandable to the computers. Which pair ofcrypto isakmp keycommands would correctly configure PSK on the two routers? Geography QuizPolitical Science GK MCQsIndian Economy QuizIndian History MCQsLaw General KnowledgePhysics QuizGST Multiple Choice QuestionsEnvironmental Science GKCA December 2021CA November 2021CA October 2021CA September 2021CA August 2021CA July 2021CA June 2021CA May 2021CA April 2021, Agriculture Current AffairsArt & Culture Current AffairsAwards & Prizes Current AffairsBank Current AffairsBill & Acts Current AffairsCommittees and Commissions Current AffairsMoU Current AffairsDays & Events Current AffairsEconomic Survey 2020-21 Current AffairsEnvironment Current AffairsFestivals Current AffairsFinance Current AffairsHealth Current AffairsHistory Current AffairsIndian Polity Current AffairsInternational Relationship Current AffairsNITI Aayog Current AffairsScience & Technology Current AffairsSports Current Affairs, B.Com Pass JobsB.Ed Pass JobsB.Sc Pass JobsB.tech Pass JobsLLB Pass JobsM.Com Pass JobsM.Sc Pass JobsM.Tech JobsMCA Pass JobsMA Pass JobsMBBS Pass JobsMBA Pass JobsIBPS Exam Mock TestIndian History Mock TestPolitical Science Mock TestRBI Mock TestRBI Assistant Mock TestRBI Grade B General Awareness Mock TestRRB NTPC General Awareness Mock TestSBI Mock Test. 98. Alternating non-alcohol drinks and alcohol drinks False B. The time on Router03 may not be reliable because it is offset by more than 7 seconds to the time server. Port security has been configured on the Fa 0/12 interface of switch S1. Deleting a superview does not delete the associated CLI views. Which pair of crypto isakmp key commands would correctly configure PSK on the two routers? Explanation: By using a superview an administrator can assign users or groups of users to CLI views which contain a specific set of commands those users can access. B. km/h (Choose two.). A. An intrusion prevention system (IPS) scans network traffic to actively block attacks. They are all interoperable. A network technician has been asked to design a virtual private network between two branch routers. A. Where should you deploy it? 25) Hackers usually used the computer virus for ______ purpose. 53) In an any organization, company or firm the policies of information security come under__________. What are two disadvantages of using an IDS? Explanation: There are five steps involved to create a view on a Cisco router.1) AAA must be enabled.2) the view must be created.3) a secret password must be assigned to the view.4) commands must be assigned to the view.5) view configuration mode must be exited. Data between the two points is encrypted and the user would need to authenticate to allow communication between their device and the network. Use VLAN 1 as the native VLAN on trunk ports. Explanation: DDoS (or denial of service), malware, drive-by downloads, phishing and password attacks are all some common and famous types of cyber-attacks used by hackers. In an attempt to prevent network attacks, cyber analysts share unique identifiable attributes of known attacks with colleagues. 123. What could be used by the network administrator to provide a secure authentication access method without locking a user out of a device? The traffic is selectively permitted and inspected. 36) Suppose an employee demands the root access to a UNIX system, where you are the administrator; that right or access should not be given to the employee unless that employee has work that requires certain rights, privileges. 46) Which of the following statements is true about the Trojans? hostname R2. Which command raises the privilege level of the ping command to 7? It is usually accomplished by disturbing the service temporarily or indefinitely of the target connected to the internet. It will protect your web gateway on site or in the cloud. (Choose two.). Different from the router IOS, the ASA provides a help command that provides a brief command description and syntax for certain commands. If the network traffic stream is encrypted, HIPS is unable to access unencrypted forms of the traffic. Explanation: The Creeper is called the first computer virus as it replicates itself (or clones itself) and spread from one system to another. The only traffic denied is ICMP-based traffic. SecureX is a cloud-native, built-in platform that connects the Cisco Secure portfolio and your infrastructure. (Choose two.). ), What are the three components of an STP bridge ID? Network Security (Version 1) Network Security 1.0 Final Exam, Explanation: Malware can be classified as follows:Virus (self-replicates by attaching to another program or file)Worm (replicates independently of another program)Trojan horse (masquerades as a legitimate file or program)Rootkit (gains privileged access to a machine while concealing itself)Spyware (collects information from a target system)Adware (delivers advertisements with or without consent)Bot (waits for commands from the hacker)Ransomware (holds a computer system or data captive until payment isreceived). Explanation: Remote SPAN (RSPAN) enables a network administrator to use the flexibility of VLANs to monitor traffic on remote switches. In its simplest term, it is a set of rules and configurations designed to protect the integrity, confidentiality and accessibility of computer networks and data using both software and hardware technologies. DH is a public key exchange method and allows two IPsec peers to establish a shared secret key over an insecure channel. Which standard feature on NTFS-formatted disks encrypts individual files and uses a certificate matching the user account of the user who encrypted the file? In general, the software VPNs are considered as the most cost-effective, user friendly over the hardware VPNs. In a couple of next days, it infects almost 300,000 servers. "Web security" also refers to the steps you take to protect your own website. To prevent an exploit from taking hold, you need products specifically designed to protect a wireless network. What is needed to allow specific traffic that is sourced on the outside network of an ASA firewall to reach an internal network? Taking small sips to drink more slowly 26. Entering a second IP address/mask pair will replace the existing configuration. Is Your Firewall Vulnerable to the Evasion Gap? Today's network architecture is complex and is faced with a threat environment that is always changing and attackers that are always trying to find and exploit vulnerabilities. Router03 time is synchronized to a stratum 2 time server. (Not all options are used.). Match the IPS alarm type to the description. Privilege levels cannot specify access control to interfaces, ports, or slots. Not every user should have access to your network. Explanation: The Cisco IOS ACLs are configured with a wildcard mask and the Cisco ASA ACLs are configured with a subnet mask. Both keys are capable of the encryption process, but the complementary matched key is required for decryption. A. D. All of the above, Which choice is a unit of speed? 51) Which one of the following systems cannot be considered as an example of the operating systems? Explanation: Deploy a Cisco SSL Appliance to decrypt SSL traffic and send it to intrusion prevention system (IPS) appliances to identify risks normally hidden by SSL. Authorization is concerned with allowing and disallowing authenticated users access to certain areas and programs on the network. What network testing tool is used for password auditing and recovery? Someone who wants to send encrypted data must acquire a digital certificate from a ____________ authority. Create a superview using the parser view view-name command. Which of the following process is used for verifying the identity of a user? An outsider needs access to a resource hosted on your extranet. What is created when a packet is encapsulated with additional headers to allow an encrypted packet to be correctly routed by Internet devices? To ensure that potential attackers cannot infiltrate your network, comprehensive access control policies need to be in place for both users and devices. Explanation: Asymmetric algorithms use two keys: a public key and a private key. It includes the MCQ questions on network security, security services in a computer network, Chock point, types of firewalls, and IP security used in internet security. Match the security technology with the description.. To keep out potential attackers, you need to recognize each user and each device. An IDS is deployed in promiscuous mode. Create a firewall rule blocking the respective website. When a RADIUS client is authenticated, it is also authorized. You don't need to physically secure your servers as long as you use a good strong password for your accounts. Identification Cybercriminals are increasingly targeting mobile devices and apps. These ebooks cover complete general awareness study material for competitive exams. What is the effect of applying this access list command? What can firewalls do to help ensure that a packet is denied if it's not part of an ongoing legitimate conversation? PKI certificates are public information and are used to provide authenticity, confidentiality, integrity, and nonrepudiation services that can scale to large requirements. Use dimensional analysis to change: Explanation: With most modern algorithms, successful decryption requires knowledge of the appropriate cryptographic keys. ), Explanation: Digital signatures use a mathematical technique to provide three basic security services:Integrity; Authenticity; Nonrepudiation. Traffic that is originating from the public network is usually forwarded without inspection when traveling to the DMZ network. An ___ is an approximate number or answer. WebFEDVTE Foundations of Incident Management Questions and Answers Graded A+ Political motivations and financial interests are the two most common motivations behind current cyber threats. WebWi-Fi security is the protection of devices and networks connected in a wireless environment. Which of the following is a type of denial-of-service attack that involves flooding the network with broadcast messages that contain a spoofed source address of an intended victim? B. Explanation: SPAN is a Cisco technology used by network administrators to monitor suspicious traffic or to capture traffic to be analyzed. The interfaces of the ASA separate Layer 3 networks and require IP addresses in different subnets. One should know about what the normal behavior of a network look likes so that he/she can spot any changes, breaches in the behavior of the network. It is a kind of cyber attack in which one tries to make a machine (or targeted application, website etc.) In addition to protecting assets and the integrity of data from external exploits, network security can also manage network traffic more efficiently, enhance network performance and ensure secure data sharing between employees and data sources. Phishing is one of the most commonly used methods that are used by hackers to gain access to the network. A. What type of NAT is used? Which three statements are generally considered to be best practices in the placement of ACLs? The current peer IP address should be 172.30.2.1. Explanation: Phreaking is considered as one of the oldest phone hacking techniques used by hackers to make free calls. Which Cisco solution helps prevent ARP spoofing and ARP poisoning attacks? First, set the host name and domain name. 7. The internal hosts of the two networks have no knowledge of the VPN. Letters of the message are rearranged randomly. ), 46 What are the three components of an STP bridge ID? 21. Many home users share two common misconceptions about the security of their networks: Home Network Security | Explanation: Confidential data should be shredded when no longer required. It requires using a VPN client on the host PC.

Ss Orontes Passenger Lists, How Many Bars On Bar Rescue Have Closed, Nhs Band 3 Healthcare Assistant Job Description, Articles W