Computer Knowledge

Computer Networks

2,461 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 difference between VPC Peering and Direct Connect?

  1. VPC Peering is used to connect VPCs within the same region, while Direct Connect is used to connect VPCs to on-premises networks

  2. VPC Peering is more secure than Direct Connect

  3. VPC Peering is easier to configure than Direct Connect

  4. VPC Peering is less expensive than Direct Connect
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The main difference between VPC Peering and Direct Connect is that VPC Peering is used to connect VPCs within the same region, while Direct Connect is used to connect VPCs to on-premises networks.

Multiple choice

How do you create a VPC Peering connection?

  1. From the VPC console, select the VPC you want to peer with and click on the 'Peering' tab

  2. From the VPC console, select the VPC you want to peer with and click on the 'Connections' tab

  3. From the VPC console, select the VPC you want to peer with and click on the 'Settings' tab

  4. From the VPC console, select the VPC you want to peer with and click on the 'Actions' tab
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

To create a VPC Peering connection, you need to go to the VPC console, select the VPC you want to peer with, and click on the 'Peering' tab.

Multiple choice

What is the default state of a VPC Peering connection?

  1. Pending

  2. Active

  3. Rejected

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

The default state of a VPC Peering connection is 'Pending'. Once the connection is accepted by the other VPC, it will become 'Active'.

Multiple choice

How do you accept a VPC Peering connection request?

  1. From the VPC console, select the VPC you want to peer with and click on the 'Peering' tab

  2. From the VPC console, select the VPC you want to peer with and click on the 'Connections' tab

  3. From the VPC console, select the VPC you want to peer with and click on the 'Settings' tab

  4. From the VPC console, select the VPC you want to peer with and click on the 'Actions' tab
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

To accept a VPC Peering connection request, you need to go to the VPC console, select the VPC you want to peer with, and click on the 'Peering' tab.

Multiple choice

What is the maximum size of a CIDR block that can be used for VPC Peering?

  1. /16

  2. /24

  3. /28

  4. /32
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The maximum size of a CIDR block that can be used for VPC Peering is /16.

Multiple choice

Can VPC Peering be used to connect VPCs across different accounts?

  1. Yes

  2. No
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

VPC Peering can be used to connect VPCs across different accounts, but both accounts must be in the same organization.

Multiple choice

Can VPC Peering be used to connect VPCs across different regions?

  1. Yes

  2. No
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

VPC Peering can only be used to connect VPCs within the same region.

Multiple choice

What is the difference between VPC Peering and NAT Gateway?

  1. VPC Peering is used to connect VPCs within the same region, while NAT Gateway is used to connect VPCs to the internet

  2. VPC Peering is more secure than NAT Gateway

  3. VPC Peering is easier to configure than NAT Gateway

  4. VPC Peering is less expensive than NAT Gateway
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The main difference between VPC Peering and NAT Gateway is that VPC Peering is used to connect VPCs within the same region, while NAT Gateway is used to connect VPCs to the internet.

Multiple choice

Which protocol is used to provide authentication and authorization for GPRS users?

  1. PPP

  2. EAP

  3. RADIUS

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

EAP (Extensible Authentication Protocol) is used to provide authentication and authorization for GPRS users. EAP allows for a variety of authentication methods, including password-based authentication, token-based authentication, and certificate-based authentication.

Multiple choice

Which protocol is used to provide encryption for GPRS data traffic?

  1. IPsec

  2. SSL

  3. TLS

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

IPsec (IP Security) is used to provide encryption for GPRS data traffic. IPsec is a suite of protocols that can be used to secure IP traffic, including traffic between GPRS users and the Internet.

Multiple choice

Which protocol is used to provide a connection-oriented data service for GPRS users?

  1. PPP

  2. X.25

  3. Frame Relay

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

PPP (Point-to-Point Protocol) is used to provide a connection-oriented data service for GPRS users. PPP is a simple protocol that can be used to establish a connection between two devices over a serial link.

Multiple choice

Which protocol is used to provide a physical layer connection between a GPRS user and the network?

  1. RLC

  2. MAC

  3. PHY

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

PHY (Physical Layer) is used to provide a physical layer connection between a GPRS user and the network. PHY is a complex protocol that is responsible for a variety of tasks, including modulation, demodulation, and error correction.

Multiple choice

Which protocol is used to provide authentication and authorization for GPRS users?

  1. PPP

  2. EAP

  3. RADIUS

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

EAP (Extensible Authentication Protocol) is used to provide authentication and authorization for GPRS users. EAP allows for a variety of authentication methods, including password-based authentication, token-based authentication, and certificate-based authentication.

Multiple choice

Which protocol is used to provide encryption for GPRS data traffic?

  1. IPsec

  2. SSL

  3. TLS

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

IPsec (IP Security) is used to provide encryption for GPRS data traffic. IPsec is a suite of protocols that can be used to secure IP traffic, including traffic between GPRS users and the Internet.

Multiple choice

Which technology enables the creation of a secure overlay network over a public network?

  1. Virtual Private Network (VPN)

  2. Software-Defined Perimeter (SDP)

  3. Zero Trust Network Access (ZTNA)

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

VPNs, SDPs, and ZTNAs all allow for the creation of secure overlay networks over public networks.