MCQ

Networking & Security (Basic CI) MCQ - Practice Questions

Practice 126 questions across 3 topics with detailed explanations.

126Questions

3Topics

3Difficulty levels

Topics in Networking & Security (Basic CI)

Paper - II (ix) — Network Security 56 questions Paper - II (viii) — Communication and Network Concepts 56 questions Networks 14 questions

Sample questions

1A computer has current antivirus software, but its operating system security patches are many months old. Which statement is most appropriate?

A Patches are needed only when a printer is connected

B Antivirus software makes operating system patches unnecessary

C The safest action is to uninstall the firewall before patching

D Security patches should still be applied because they fix known weaknesses that malware may exploit

2A computer instructor wants to explain the main function of TCP in a network. Which statement is most accurate?

A TCP translates domain names into IP addresses before transmission.

B TCP provides a reliable, connection-oriented byte-stream service between application processes.

C TCP forwards frames only to the switch port where the destination MAC address is learnt.

D TCP modulates radio signals between a mobile handset and the base station.

3A router receives a packet from a local network and decides the next network to which it should be sent. Which information is primarily used for this routing decision?

A Monitor resolution of the sender

B File extension of the transmitted data

C Destination IP address

D Destination MAC address only

4A firewall is configured to allow outbound TCP connections from an internal host. When the remote server replies, the return packets are allowed automatically because they belong to the same established connection. Which firewall capability is being used?

A Full data backup

B Stateful inspection

C Static packet filtering only

D Disk mirroring

5A video-streaming application can tolerate occasional packet loss but needs low delay. Which transport protocol is commonly preferred for such real-time traffic?

A UDP

B SMTP

C ARP

D ICMP

Topics in Networking & Security (Basic CI)

Sample questions

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