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CompTIA A+ > Network Protocols > Flashcards

Network Protocols Flashcards

1
Q

What is the function of FTP?

A

File Exchange

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2
Q

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 what?

A

SSH protocol
(Secure Shell)

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3
Q

What are 3 Characteristics of Telnet?

A

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

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4
Q

What is the secure replacement for Telnet?

A

SSH protocol
(Secure Shell)

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5
Q

The SMTP protocol is used for? (2 Answers)

A

Sending email messages between mail servers
Sending email messages from a client device

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6
Q

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

A

DNS
(Domain Name System)

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7
Q

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

A

DHCP protocol
(Dynamic Host Configuration Protocol)

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8
Q

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

A

HTTP protocol
(Hypertext Transfer Protocol)

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9
Q

POP3 protocol is used for what?

A

Email Retrieval

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10
Q

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

A

NetBIOS
(Network Basic Input/Output System)

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11
Q

What is IMAP4 in comparison to POP3?

A

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

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12
Q

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

A

SNMP
(Simple Network Management Protocol)

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13
Q

LDAP is an example of what?

A

Directory Access Protocol

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14
Q

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

A

HTTPS
(Hypertext Transfer Protocol Secure)

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15
Q

What are the characteristics of SMB/CIFS?

A

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

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16
Q

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?

A

RDP
(Remote Desktop Protocol)

17
Q

What are 2 examples of connectionLESS protocols?

A

DHCP (Dynamic Host Configuration Protocol)
TFTP (Trivial File Transfer Protocol)

18
Q

What are 2 examples of connection-oriented protocols?

A

SSH (Secure Shell)
HTTPS (Hypertext Transfer Protocol Secure)

19
Q

3 examples of common applications that make use of TCP:

A

File Transfer
Email Communication
Web Browsing

20
Q

3 examples of common applications of UDP:

A

Video Conferencing
Live Streaming
Online Gaming
Voice over IP (VoIP)

21
Q

A device designed to filter and transfer data packets between dissimilar types of computer networks is called what?

A

Router

22
Q

A data-link layer device designed to forward frames between network segments?

A

Switch

23
Q

A type of layer 2 network switch with configuration features that can be modified through a user interface is known as what?

A

Managed Switch

24
Q

An infrastructure device designed for connecting wireless/wired client devices to a network is commonly referred to as?

A

Access Point (AP)

25
Q

A simple device consisting of multiple connector blocks and ports used for cable management is known as what?

A

Patch Panel

26
Q

What refers to a software or hardware that monitors network traffic and depending on the configuration settings applied to each data packet either blocks it or allows it to pass through?

A

A Firewall

27
Q

A solution that allows to supply electricity over standard Ethernet cables is known as what?

A

PoE (Power Over Ethernet)
IEEE 802.3af

28
Q

What is the dedicated device designed for supplying power over Ethernet cabling?

A

Injector

29
Q

Which IEEE standard implements PoE+?

A

IEEE 802.3at

30
Q

The IEEE 802.3bt standard implements which PoE methods?

A

PoE++
4PPoE (uses all four twisted pairs in parallel)

31
Q

The disadvantage from using this specific device results from the fact that any incoming signal on any of its ports is re-created and sent out on any connected ports which has a negative impact on network performance.

A

A Hub

32
Q

A network segment utilizing only this type of device is the most prone to network performance degradation due to large number of network collisions.

A

A Hub

33
Q

What are 3 characteristic features of cable modems?

A

Cabling that carries TV signals
Coaxial Cabling
Shared Bandwith

34
Q

What are 3 characteristic features of DSL Modems?

A

Telephone Lines
Twisted-Pair Copper Cabling
Dedicated Bandwith

35
Q

Which type of fiber-optic equipment can be found at the demarc?

A

ONT
(Optical Network Terminal)

36
Q

A computer’s hardware component designed for enabling network access is called what?

A

NIC
(Network Interface Controller)

37
Q

A technology designed to simplify network infrastructure management is called what?

A

SDN
(Software-Defined Networking)

38
Q

Which tool allows to identify bad port on a network device?

A

Loopback Plug

39
Q

The functionality of a Network Interface Card (NIC) can be checked by pinging which 3 targets?

A

localhost
::1
127.0.0.1

CompTIA A+ (23 decks)

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