Computer Knowledge

Computer Networks

2,614 Questions

Computer networks involve the architecture, protocols, and security measures used for digital communication. This collection covers OSI model layers, IP addressing, data transmission, and cryptographic standards. These concepts are vital for the computer knowledge sections of banking and government exams.

OSI model layersNetwork protocolsIP subnet maskingData encryption standardsServer configurationsNetwork commands

Computer Networks Questions

Multiple choice

Which of the following is/are correct about Network Management System (NMS) in Simple Network Management Protocol (SNMP)?

  1. It provides the memory resources for the network management.

  2. It is used to execute and monitor the networking devices.

  3. It is a network node that contains an SNMP agent and resides on a managed network.

  4. It is used to collect and store management information and makes it available by using SNMP.

  5. Both (1) and (2)
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

These are the correct statements about NMS in Simple Network Management Protocol (SNMP).

Multiple choice

Which of the following is/are applicable for the component 'Managed device' in SNMP-managed network?

  1. It is used to describe the managing network information of SNMP.

  2. It is a network node that contains an SNMP agent and resides on a managed network.

  3. It is used to store management information for SNMP.

  4. In this component, the master agent also connects and disconnects subagents after the subagent completes necessary tasks.

  5. Both (2) and (3)
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

These are the correct statements about 'Managed device' component in SNMP-managed network.

Multiple choice

Which of the following is/are applicable for VLAN troubleshooting?

  1. VLAN can have a connection with another outer request protocol like IGMP.

  2. A private VLAN port can be configured as a SPAN source port.

  3. A private VLAN host or promiscuous port cannot be a SPAN destination port.

  4. All of the above

  5. Both (1) and (2)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

These are correct statements about VLAN troubleshooting.

Multiple choice

What is IPConfig command in TCP/IP troubleshooting tools?

  1. It is used to display current TCP/IP network configuration values.

  2. It sends ICMP Echo Request messages to verify that TCP/IP is configured correctly and that a TCP/IP host is available.

  3. It contains information and configuration for all network connections on the computer.

  4. It contains detailed information about the network configuration.

  5. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

IPConfig command displays current TCP/IP network configuration values, updates and releases.

Multiple choice

What is the role of internal router in OSPF (Open Shortest Path First) connection?

  1. It is connected through a single backbone area.

  2. It is responsible for maintaining a current and accurate database of every subnet within the area.

  3. This router is responsible for connecting two or more areas.

  4. All interfaces on this router are within the same area.

  5. Both (1) and (2)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the task of internal router in OSPF connection.

Multiple choice

What is the role of Backbone router in OSPF (Open Shortest Path First) connection?

  1. It is connected through a single backbone area.

  2. It is responsible for maintaining a current and accurate database of every subnet within the area.

  3. This router is responsible for connecting two or more areas.

  4. All interfaces on this router are within the same area.

  5. Both (1) and (3)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

OSPF has all the areas connected through a single area, known as the backbone area or Area 0 or 0.0.0.0.

Multiple choice

What is Ping command in TCP/IP troubleshooting tools?

  1. It is used to display current TCP/IP network configuration values.

  2. It sends ICMP Echo Request messages to verify that TCP/IP is configured correctly and that a TCP/IP host is available.

  3. It contains information and configuration for all network connections on the computer.

  4. It contains detailed information about the network configuration.

  5. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is called Ping command in TCP/IP troubleshooting tools.

Multiple choice

Which of the following is/are correct about Area Border Router (ABR) in OSPF (Open Shortest Path First) connection?

  1. It is responsible for database handling for each area connection within the network.

  2. It is responsible for connecting two or more areas.

  3. It is connected through a single backbone area.

  4. It is responsible for maintaining a current and accurate database of every subnet within the area.

  5. Both (1) and (2)
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

These are the correct statements about Area Border Router (ABR) in OSPF (Open Shortest Path First) connection.

Multiple choice

Which of the following is/are IPv6 Applications?

  1. Secure Shell (SSH) over an IPv6 transport

  2. HTTP server access over IPv6 transport

  3. DNS resolver for AAAA over IPv4 transport

  4. All of the above

  5. Both (1) and (3)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All are IPv6 Applications.

Multiple choice

Which of the following is/are correct for HTTP(S) Over IPv6 connection?

  1. HTTP client makes a connection for IPv6 protocol by its server initially.

  2. HTTP can use TCP/IP stack for networking medium.

  3. There is a mandatory requirement for ping connectivity for a successful HTTP connection.

  4. The accept socket in HTTP call chooses an IPv4 or IPv6 address family.

  5. All of the above
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

All are the correct statements about HTTP(S) Over IPv6 connection.

Multiple choice

Which of the following is/are incorrect about Configuring IPv4 and IPv6 Protocol Stacks?

  1. The 'configure terminal' command is used to enter global configuration mode.

  2. The 'ip routing' command is used to enable routing on the switch.

  3. The 'ipv6 unicast-routing' command is used to enable forwarding of IPv6 data packets on the switch.

  4. The 'end' command is used to return to global configuration mode.

  5. None of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is false about 'end' command as 'end' command is used to return to privileged EXEC mode. This is called 'exit' command.

Multiple choice

In which of the following Internet Access Accounts, you would you use Terminal Emulator Program to access the Internet?

  1. IP Access Account

  2. SLIP Access Account

  3. PPP Access Account

  4. Shell Account
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A Shell account provides a text-based interface to a remote server, requiring a terminal emulator program to interact with the system. IP, SLIP, and PPP accounts are protocols that allow a computer to act as a direct node on the Internet, not requiring terminal emulation.