CompTIA A+ Exam 220-1101 - Network Protocols Quiz

Question 1

What is the function of FTP?

Answer 1

File exchange

Question 2

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

Answer 2

SSH

Question 3

Telnet:

(3 answers)

Answer 3

Provides username & password authentication

Transmits data in an unencrypted form

Enables remote login and command execution

Question 4

Which refers to a secure replacement for Telnet?

Answer 4

SSH

Question 5

The SMTP protocol is used for:

(2 answers)

Answer 5

Sending email messages between mail servers

Sending email messages from a client device

Question 6

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

Answer 6

DNS

Question 7

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

Answer 7

DHCP

Question 8

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

Answer 8

HTTP

Question 9

POP3 protocol is used for:

Answer 9

Email retrieval

Question 10

Which is in use when a WINS 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 protocol is to allow NetBIOS services to be used over TCP/IP networks.

TRUE/ FALSE

Answer 11

TRUE

NetBT = resolves NetBIOS names to IP addresses

Question 12

Which refers to IMAP4?

(2 answers)

Answer 12

Offers improved functionality in comparison to POP3

Serves the same function as POP3
[Email retrival]

Question 13

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

Answer 13

SNMP

Question 14

Of the three existing versions of the Simple Network Management Protocol (SNMP), versions 1 and 2 (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).

TRUE / FALSE

Answer 14

TRUE

Question 15

LDAP 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/CIFS? (Select all that apply)

Answer 17

Provides shared access to files, directories, and devices

Used mainly by computers running Microsoft Windows operating systems

Question 18

Which of the following answers 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

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 supports retransmission of lost packets, flow control (managing the amount of data that is being sent), and sequencing (rearranging packets that arrived out of order).

TRUE / FALSE

Answer 19

TRUE

Reliable

Question 20

User Datagram 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.

TRUE / FALSE

Answer 20

TRUE

Unreliable

Question 21

Examples of connectionless protocols include:

(2 answers)

Answer 21

DHCP

TFTP

Question 22

Which refer to connection-oriented protocols?

(2 answers)

Answer 22

SSH

HTTPS

Question 23

Which refer to common applications that make use of TCP?

(3 answers)

Answer 23

File transfer

Email communication

Web browsing

Question 24

Which of the following answers refer(s) to common applications of UDP?

Answer 24

Video conferencing

Live streaming

Online gaming

Voice over IP (VoIP)