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

What is the concept of a CDN origin server?

  1. The server that stores the original version of the content

  2. The server that caches content for delivery to users

  3. The server that manages the traffic flow and load balancing

  4. The server that communicates with edge servers to fetch content
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The CDN origin server is the server that stores the original version of the content that is being delivered through the CDN.

Multiple choice

What is the purpose of a container network interface (CNI) plugin?

  1. Connecting containers to the host network

  2. Providing inter-container communication

  3. Managing container network policies

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A container network interface (CNI) plugin is responsible for connecting containers to the host network, enabling inter-container communication, and managing network policies, ensuring secure and efficient networking in containerized environments.

Multiple choice

Which interface is used for communication between the gNB and the policy control function?

  1. Uu interface

  2. C-plane interface

  3. U-plane interface

  4. Xn interface
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The C-plane interface is used for communication between the gNB and the policy control function.

Multiple choice

Which of the following is a common network compliance standard?

  1. ISO 27001

  2. NIST 800-53

  3. PCI DSS

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

ISO 27001, NIST 800-53, and PCI DSS are all common network compliance standards. ISO 27001 is an international standard that provides a framework for information security management. NIST 800-53 is a US government standard that provides guidance on security controls for information systems. PCI DSS is a payment card industry standard that sets requirements for protecting cardholder data.

Multiple choice

What is the name of the protocol used for signaling between the UE and the eNB in an LTE network?

  1. Radio Resource Control (RRC)

  2. Packet Data Convergence Protocol (PDCP)

  3. Real-time Transport Protocol (RTP)

  4. User Datagram Protocol (UDP)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The protocol used for signaling between the UE and the eNB in an LTE network is called Radio Resource Control (RRC).

Multiple choice

Which of the following is a common DLP tool?

  1. Data Loss Prevention (DLP) suites

  2. Network traffic monitoring tools

  3. Endpoint security solutions

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

DLP tools include data loss prevention (DLP) suites, network traffic monitoring tools, and endpoint security solutions, among others.

Multiple choice

Which MEC API is used to manage MEC network resources?

  1. MEC Network Management API

  2. MEC Service Management API

  3. MEC Application Management API

  4. MEC Security Management API
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The MEC Network Management API is used to manage MEC network resources. It provides operations for configuring and managing MEC network devices and resources.

Multiple choice

Which of the following is a potential challenge in implementing isolation mechanisms for network slices?

  1. Managing the overhead associated with isolation techniques.

  2. Ensuring that isolation mechanisms do not compromise network performance.

  3. Preventing leakage of information between network slices.

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Implementing isolation mechanisms in network slicing can introduce overhead, impact performance, and pose challenges in preventing information leakage between slices.

Multiple choice

Which type of Layer-2 protocol involves the use of sidechains?

  1. State channels

  2. Plasma

  3. Rollups

  4. Validium
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Plasma is a Layer-2 protocol that utilizes sidechains to process transactions off the main blockchain, thereby reducing congestion and improving scalability.

Multiple choice

Which Layer-2 protocol involves the use of optimistic rollups?

  1. Optimistic Rollup

  2. Zero-Knowledge Rollup

  3. Validium

  4. Plasma
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Optimistic Rollup is a Layer-2 protocol that utilizes optimistic rollups, which assume that all transactions are valid unless proven otherwise.

Multiple choice

Which Layer-2 protocol involves the use of validiums?

  1. Optimistic Rollup

  2. Zero-Knowledge Rollup

  3. Validium

  4. Plasma
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Validium is a Layer-2 protocol that utilizes validiums, which are similar to ZK-Rollups but do not require the use of cryptographic proofs.

Multiple choice

Which Layer-2 protocol involves the use of state proofs?

  1. Optimistic Rollup

  2. Zero-Knowledge Rollup

  3. Validium

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

Plasma is a Layer-2 protocol that utilizes state proofs to verify the validity of transactions processed on the sidechains.

Multiple choice

Which interface is used for communication between the AMF and the Session Management Function (SMF)?

  1. Uu interface

  2. N1 interface

  3. N2 interface

  4. N3 interface
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The N1 interface is used for communication between the AMF and the SMF. It is a non-radio interface that uses IP-based protocols.

Multiple choice

Which interface is used for communication between the SMF and the Packet Data Network Gateway (PDN GW)?

  1. Uu interface

  2. N1 interface

  3. N2 interface

  4. N3 interface
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The N2 interface is used for communication between the SMF and the PDN GW. It is a non-radio interface that uses IP-based protocols.

Multiple choice

Which interface is used for communication between the PDN GW and the external network?

  1. Uu interface

  2. N1 interface

  3. N2 interface

  4. N3 interface
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The N3 interface is used for communication between the PDN GW and the external network. It is a non-radio interface that uses IP-based protocols.