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

The ____________ interface is one of several application programming interfaces to the communication protocols which is used by a process to request network services from the operating system.

  1. serial port

  2. parallel port

  3. USB port

  4. socket

  5. firewire port
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This interface is one of several application programming interfaces to the communication protocols which is used by a process to request network services from the operating system.

Multiple choice

The __________ phase of link control protocol of point to point protocol specifies the policy for determining quality and provides low-level tools, such as echo request and reply.

  1. link establishment and configuration negotiation

  2. authentication

  3. link quality determination

  4. network layer protocol configuration negotiation

  5. link termination
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This phase of link control protocol of point to point protocol specifies the policy for determining quality and provides low level tools, such as echo request and reply.

Multiple choice

Which of these protocols is the foundation for the Internet?

  1. SMTP

  2. HTTP

  3. POP

  4. IP

  5. FTP
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Internet Protocol (IP), which is the foundation for the Internet.The Internet Protocol (IP) is the principal communications protocol in the Internet protocol suite for relaying datagrams across network boundaries. Its routing function enables internetworking, and essentially establishes the Internet.

Multiple choice

Which of the following fields in IPv4 is a 13-bit field that specifies the offset of the data field of this packet from the starting point of the data field of the fragmented source packet?

  1. Header checksum

  2. Protocols

  3. TTL

  4. Fragmentation offset

  5. Flags
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This field in IPv4 is a 13-bit field that specifies the offset of the data field of this packet from the starting point of the data field of the fragmented source packet.

Multiple choice

Which of the following fields in ATM cell header is carried in the final octet of the header and provides an eight-bit cyclic redundancy check remainder that covers the entire header?

  1. Generic Flow Control

  2. Cell Loss Priority

  3. Header Error Control

  4. Virtual Path Identifier

  5. Payload Type Indicator
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This field in ATM cell header is carried in the final octet of the header and provides an eight-bit cyclic redundancy check remainder that covers the entire header.

Multiple choice

Which of the following is the traffic supported by Resource Reservation Protocol (RSVP) that assures guaranteed rate at the cost of time and is not meant to be implemented over a circuit switched network?

  1. Best effort traffic

  2. Rate sensitive traffic

  3. Delay sensitive traffic

  4. Heavy traffic

  5. Slow traffic
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This traffic supported by Resource Reservation Protocol (RSVP) is the one that assures guaranteed rate at the cost of time and it is not meant to be implemented over a circuit switched network.