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Network Services > Network Services > Flashcards

Network Services Flashcards

1
Q

To connect to a website and display its contents, a URL entered in the web browser address bar needs to be translated into an IP address. Which of the servers listed below is used to handle this type of request?

A

DNS server

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2
Q

Which of the DNS database records listed below returns a 32-bit IP address?

A

A

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3
Q

The DNS database AAAA record creates a pointer that maps a host name to:

A

IPv6 address

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4
Q

Which of the following DNS database records maps a domain name to a list of mail servers for that domain?

A

MX

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5
Q

What is the function of a DNS TXT record? 2 answers

A

Provides outside services with additional information about a domain
Not used to direct any traffic

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6
Q

Which DNS TXT records are used for spam management? 3 answers

A

SPF
DKIM
DMARC

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7
Q

Which of the following allows the receiver of an email message to verify that the message claimed to have come from a specific domain was indeed authorized by the owner of that domain?

A

DKIM

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8
Q

Which of the answers listed below refers to an authentication method that enables signing an outbound email message with digital signature?

A

DKIM

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9
Q

Which of the following answers refers to an open standard defining a technical method to prevent electronic mail sender address forgery?

A

SPF

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10
Q

Which of the answers listed below refers to a DNS TXT record that allows the owner of a domain to specify all the servers authorized to send mail from their domain?

A

SPF

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11
Q

Which of the following answers refers to a DNS TXT record containing instructions for the recipient of an email message on how to handle emails that do not align with the senders mail policies ?

A

DMARC

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12
Q

Which server type enables automatic allocation of IP addresses on a network?

A

DHCP server

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13
Q

The time a DHCP client can use an IP address dynamically assigned by the DHCP server is referred to as

A

Lease

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14
Q

Which of the terms listed below refers to permanent IP address assignment from a DHCP server?

A

Reservation

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15
Q

A range of IP addresses that a DHCP server can lease out to DHCP clients is known as

A

Scope

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16
Q

A dedicated file server is also referred to as

A

FTP server

17
Q

IPP,LPD/LPR, and SMB/CIFS are examples of protocols that enable what kind of network service?

A

Printing

18
Q

What is the function of an SMTP server?

A

Email handling

19
Q

Which type of server is used for collecting diagnostic and monitoring data from networked devices?

A

Syslog server

20
Q

What is the function of an HTTP server?

A

Serving of web pages

21
Q

What part of the AAA security architecture deals with the verification of the identity of a person or process?

A

Authentication

22
Q

Which of the answers listed below refers to the process of granting or denying access to resources?

A

Authorization

23
Q

AAA security architecture, the process of tracking accessed services as well as the amount of consumed resources is called

A

Accounting

24
Q

Which of the following solutions provide the AAA functionality? 2 answers

A

TACACS+ ( terminal access controller access-control system)
RADIUS (remote authentication dial-in user service)

25
Q

Which of the answers listed below refer to the protocol and port number used by spam filter? 2 answers

A

SMTP 25

26
Q

A physical network device or software solution designed for managing the optimal distribution of workloads across multiple computing resources is known as

A

Load balancer

27
Q

I’m computer networking, a computer system or application that acts as an intermediary between computer and the internet is commonly referred to as

A

Proxy

28
Q

Which of the following answers refers to industrial and manufacturing control system?

A

SCADA (supervisory control and data acquisition)

29
Q

An emerging field of new technologies, such as wearable tech or home automation is known as

A

loT (line of technology (maybe))

Network Services (1 decks)

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