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 does VoIP stand for?

  1. Voice over interaction protocol

  2. voice offer internet protocol

  3. Voice over internet protocol

  4. vertical over internet protocol
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

VoIP stands for Voice over Internet Protocol, which is the technology that allows voice calls to be made over an internet connection.

Multiple choice

what don't VOIP gateway offer

  1. send to voicemail

  2. play messages

  3. call waiting

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

VoIP gateways are designed for voice traffic and signaling, not for processing or delivering video messages, which require different protocols and media handling.

Multiple choice

RSAT (VMs/Server/Networking)

  1. Remote Server Administration Technology

  2. Random Security Administration Tools

  3. Remote Server Application Tools

  4. Remote Server Administration Tools
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

RSAT stands for Remote Server Administration Tools. It allows IT administrators to remotely manage roles and features in Windows Server from a computer running Windows 10 or 11.

Multiple choice

AHCI (Hardware/Software)

  1. Advanced Host Controller Interface

  2. Application Host Controller Interface

  3. Application House Control Interface

  4. Advanced Host Communication Interface
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

AHCI stands for Advanced Host Controller Interface, a technical standard that defines the operation of SATA host bus adapters.

Multiple choice

SLAT (Networking)

  1. Security Level Application Transistor

  2. Security Level Address Translation

  3. Second Level Address Translation

  4. Second Level Application Translation
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

SLAT stands for Second Level Address Translation, a feature in modern CPUs that improves the performance of virtual machine memory management.

Multiple choice

LDAPS

  1. TCP 389

  2. UDP 161

  3. TCP 636

  4. UPD 3389
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

LDAPS (Lightweight Directory Access Protocol over SSL) is the secure version of LDAP and uses TCP port 636.

Multiple choice

DNS Query

  1. TCP 53

  2. UDP 53

  3. TCP 88

  4. UDP 88
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

DNS (Domain Name System) queries typically use UDP port 53 for standard lookups to minimize overhead, though TCP 53 is used for zone transfers.

Multiple choice

SIP(VOIP)

  1. TCP 3389

  2. TCP 5060

  3. TCP 5004

  4. TCP 636
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

SIP (Session Initiation Protocol) is a signaling protocol used for initiating, maintaining, and terminating real-time sessions like VoIP, and it uses TCP/UDP port 5060.

Multiple choice

RDP

  1. TCP 3389

  2. TCP 53

  3. TCP 110

  4. TCP 3868
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

RDP (Remote Desktop Protocol) is a proprietary protocol developed by Microsoft that provides a user with a graphical interface to connect to another computer over a network connection, using TCP port 3389.

Multiple choice

SMB

  1. TCP 636

  2. TCP 443

  3. TCP 445

  4. TCP 143
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

SMB (Server Message Block) is a network file sharing protocol that uses TCP port 445 in modern implementations.

Multiple choice

TFTP

  1. UDP 1812

  2. UDP 88

  3. UDP 5004

  4. UDP 69
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

TFTP (Trivial File Transfer Protocol) is a simple file transfer protocol used for booting diskless workstations or transferring configuration files, and it uses UDP port 69.

Multiple choice

FTP

  1. TCP 20/21

  2. TCP 67,68

  3. UDP 161,162

  4. TCP 989,990
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

FTP (File Transfer Protocol) uses two ports: TCP port 21 for control commands and TCP port 20 for data transfer.

Multiple choice

HTTPS

  1. TCP 3389

  2. TCP 80

  3. TCP 443

  4. TCP 139
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

HTTPS (Hypertext Transfer Protocol Secure) is the secure version of HTTP, which encrypts communications using TLS/SSL and operates on TCP port 443.