Computer Networks Quiz

Which of these are mail protocols?

• TCP and FTP

• SMTP and IMAP

• FTP and SMTP

• POP and IP

Which of these is NOT part of the TCP/IP header?

• Sender IP Address

• Packet Number

• Size of Packet

• Name of File

Select the two features of TCP (select two)

• Connection-less

• Reliability - means guaranteed delivery of packets

• Fast delivery - deliver quickly

• Uses sequence numbers - each packet has a sequence number

Which of the following answers refers to a system containing mappings of domain names to various types of data, such as numerical IP addresses?

• TCP/IP

• DNS

• SQL

• DHCP

The SMTP protocol is used for: (select all correct answers)

• Sending email between mail servers

• Retrieving email from mail servers

• Sending email from a client device

• Serving of web pages

What is the name of a network protocol that secures web traffic via SSL/TLS encryption?

• SFTP

• DNS

• HTTPS

• ICMP

TCP port 25 is used by:

• SNMP

• Remote Desktop Protocol

• HTTP

• SMTP

Which of the DNS database records listed below allows multiple domain names to resolve to the same IP address?

• AAAA

• MX

• CNAME

• PTR

Which of theses is NOT mechanism used in TCP?

• Pipelining

• Weight Fair Queuing

• AIMD

• Slow Start

AIMD stands for

• Additive Increase Multiplicative Decrease

• Additive Increase Multiple Decrease

• Addictive Increase Multiplicative Decrease

• Addictive Increase Multiple Decrease