Protocols

Question 1

What is the function of FTP(file transfer protocol)?

Answer 1

File exchange

Question 2

A type of cryptographic network protocol for secure date communication, remote command line login, remote command execution, and other secure network services between two networked computers is known as:

Answer 2

SSH (secure shell)

Question 3

Describe Telnet

Answer 3

Provides username & password authentication
Transmits data in an unencrypted form
Enables remote login and command execution

Question 4

Which of the answers listed below refers to a secure replacement for Telnet?

Answer 4

SSH (secure shell)

Question 5

The SMTP (simple mail transfer protocol) protocol is used for :

Answer 5

Sending e-mail messages between mail servers
Sending e-mail messages from a client device

Question 6

Refers to a system containing mappings of domain names to various types of data,such as numerical IP addresses

Answer 6

DNS (domain name system)

Question 7

A network protocol providing an alternative solution to the Manual allocation of IP addresses is known as :

Answer 7

DHCP (dynamic host configuration protocol)

Question 8

Which network protocol enables retrieving contents of an internet page from a web server?

Answer 8

HTTP (hypertext transfer protocol)

Question 9

POP3 (post office protocol) protocol is used for :

Answer 9

Email retrieval

Question 10

Which of the following is in use when a WINS (windows internet name service) server tries to resolve a host name into an IP address on a windows-based LAN?

Answer 10

NetBIOS

Question 11

The function of the NetBT (netbios over tcp/ip) protocol is to allows netBIOS services to be used over TCP/IP networks

Answer 11

True

Question 12

Which of the following answers refer to IMAP4 (internet message access protocol 4) ? 2 answers

Answer 12

Offers improved functionality in comparison to POP3
Serves the same function as POP3

Question 13

A type of protocol used in network management systems for monitoring network-attached devices is called:

Answer 13

SNMP(simple network management protocol)

Question 14

SNMPv1 and SNMPv2 offer authentication based on community strings sent in an unencrypted form ( in cleartext.). SNMPv3 provides packet encryption, authentication, and hashing mechanisms that allow for checking whether data has changed in transit( I.e., data integrity).

Answer 14

True

Question 15

LDAP (lightweight directory access protocol) is an example of :

Answer 15

Directory access protocol

Question 16

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

Answer 16

HTTPS

Question 17

What are the characteristics of SMB(server message block)/ CIFS(common internet file system)?

Answer 17

Provides shared access to files , directories, and devices
Uses mainly by computers running Microsoft Windows operating systems

Question 18

Refers to a Microsoft-proprietary remote access protocol providing a user with graphical interface for connecting to another computer over a network

Answer 18

RDP (Remote Desktop Protocol)

Question 19

Transmission Control Protocol (TCP) is a connection oriented protocol using a three way handshake, which is a set of initial steps required to establish network connection. TCP support’s retransmission of lost packers, flow control(managing the amount of data that is being sent), and sequencing( rearranging packets that arrived out of order).

Answer 19

True

Question 20

User data protocol (UDP) is an example of a connectionless protocol. Because UDP does not support a three way handshake while establishing a network connection, it is referred to as an unreliable or best-effort protocol.

Answer 20

True

Question 21

Examples of connectionless protocols include :

Answer 21

DHCP (dynamic host configuration protocol)
TFTP(trivial file transfer protocol)

Question 22

Which of the following answers refer to connection oriented protocols?

Answer 22

SSH(secure shell )
HTTPS(hypertext transfer protocol secure)

Question 23

Which of the following answers listed refer to common applications that use of TCP(transmission control protocol)?

Answer 23

File transfer
Email communication
Web browsing

Question 24

Which of the following answers refers to common applications of UDP(user data gram protocol)?

Answer 24

Video conferencing
Live streaming
Online gaming
Voice over IP (VoIP)