Question 1

Which of the following is a device or software that works at the Network layer of the OSI model?

Accepted Answer

A)   the TCP protocol
B)   network interface card
C)   layer 3 switch
D)   Ethernet driverE) A) and D)
F) None of the above

Question 2

Why is the UDP Transport layer protocol a good choice for implementing the Domain Name System (DNS)  protocol?

Accepted Answer

A)   Because DNS communication requires high reliability.
B)   Because DNS messages are large and must be split into segments.
C)   Because DNS messages usually consist of a single packet of data.
D)   Because DNS messages must be encrypted.E) A) and C)
F) C) and D)

Question 3

In the layers of the network communication process, in which layer would you find TCP/IP?

Accepted Answer

A)   user application
B)   network software
C)   network protocol
D)   network interfaceE) A) and D)
F) All of the above

Question 4

When configuring the IP address settings for a computer, which of the following is true?

Accepted Answer

A)   If the IP address is 192.168.100.101 with a 255.255.255.0 subnet mask, a valid DNS server address is 192.168.1.250.
B)   If the IP address is 192.168.100.101 with a 255.255.255.0 subnet mask, a valid default gateway address is 192.168.1.250.
C)   A valid IP address is 127.0.0.1 with a subnet mask of 255.0.0.0.
D)   A valid IP address is 169.254.15.9 with a 255.255.0.0 subnet mask and a default gateway address of 169.254.15.100.E) A) and D)
F) None of the above

Question 5

What do TCP and UDP use to identify the source and destination Application layer protocols that a segment or datagram should be processed by?

Accepted Answer

A)   logical address
B)   port number
C)   checksum
D)   sequence numberE) A) and D)
F) B) and C)

Question 6

You are troubleshooting a computer that is being used primarily to serve Web pages and respond to Active Directory requests. Which operating system are you most likely using?

Accepted Answer

A)   Windows 10
B)   Windows Server 2019
C)   Mac OS X El Capitan
D)   Ubuntu for desktopsE) A) and B)
F) B) and C)

Question 7

You are running a video editing application on Windows 10. When you open a file in the application that is stored on a Windows server, what protocol are you most likely using to open the file and at what TCP/IP model layer does it operate?

Accepted Answer

A)   Hypertext Transfer Protocol, Transport layer
B)   File Transfer Protocol, Application layer
C)   Network File System, Internetwork layer
D)   Server Message Block, Application layerE) A) and B)
F) A) and C)

Question 8

While troubleshooting a connection problem to one of your servers named accounting.company.local, you start by using the ping program. When you try to ping accounting, you get an error but you are successful when you try to ping accounting.company.local. Where does the problem most likely lie?

Accepted Answer

A)   the DNS zone data on the DNS server
B)   the DNS resolver on the client computer
C)   the DHCP server
D)   the Primary DNS suffix of the client computerE) B) and C)
F) A) and B)

Question 9

In a wireless network using an access point, how does the sending device know that the frame was received?

Accepted Answer

A)   it does not receive an error message
B)   it receives an acknowledgment
C)   an ICMP timeout is received
D)   it doesn't know the frame was receivedE) A) and D)
F) A) and C) B

Question 10

A colleague has asked you where the media access control address of his computer is located? What do you tell him?

Accepted Answer

A)   NIC
B)   IP
C)   BIOS
D)   network mediumE) B) and C)
F) All of the above

Question 11

When configuring a computer's IPv4 address, you must enter a default gateway for the computer to communicate on the local network.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is true of IPv6 addresses?

Accepted Answer

A)   they are 128 bits in length
B)   Windows Server 2019 does not support them
C)   IPv6 follows IPv5 which used 48-bit addresses
D)   they must be statically assignedE) A) and D)
F) C) and D)

Question 13

In the TCP/IP layered architecture, which of the following is a protocol that operates at the Internetwork layer?

Accepted Answer

A)   TCP
B)   ICMP
C)   DHCP
D)   SNMPE) All of the above
F) None of the above

Question 14

Using a spreadsheet application, you open a file that is located on one of your Windows servers. Which OSI model layer is responsible for determining whether the request to open the file should be handled by the local file system or the network?

Accepted Answer

A)   Session
B)   Presentation
C)   Network
D)   Data LinkE) None of the above
F) A) and C)

Question 15

Which network component extends from a computer's NIC to a switch?

Accepted Answer

A)   network interface
B)   interconnecting device
C)   network medium
D)   network protocolE) A) and B)
F) A) and C) C

Question 16

What is the unit of information used to send a frame onto the network medium?

Accepted Answer

A)   bits
B)   packets
C)   data
D)   segmentsE) A) and D)
F) B) and C) A

Question 17

When a protocol of the TCP/IP suite adds a header to a UDP datagram, what unit of information has been created?

Accepted Answer

A)   frame
B)   packet
C)   data
D)   segmentE) None of the above
F) A) and D)

Question 18

In which element of a DNS server would you find a CNAME?

Accepted Answer

A)   resource records
B)   root hints
C)   server service
D)   TLD serverE) C) and D)
F) None of the above

Question 19

What command-line tool can you use in Fedora Linux to display and change network interface settings?

Accepted Answer

A)   ipconfig
B)   netstat
C)   ethtool
D)   pingE) B) and C)
F) A) and D)

Question 20

What part of a frame does a switch use to determine where to forward the frame?

Accepted Answer

A)   source IP address
B)   destination MAC address
C)   destination IP address
D)   source MAC addressE) All of the above
F) None of the above

Exam 9: Network Fundamentals and Configuration

Which of the following is a device or software that works at the Network layer of the OSI model?

Correct AnswerverifiedShow Answer

Why is the UDP Transport layer protocol a good choice for implementing the Domain Name System (DNS) protocol?

Correct AnswerverifiedShow Answer

In the layers of the network communication process, in which layer would you find TCP/IP?

Correct AnswerverifiedShow Answer

When configuring the IP address settings for a computer, which of the following is true?

Correct AnswerverifiedShow Answer

What do TCP and UDP use to identify the source and destination Application layer protocols that a segment or datagram should be processed by?

Correct AnswerverifiedShow Answer

You are troubleshooting a computer that is being used primarily to serve Web pages and respond to Active Directory requests. Which operating system are you most likely using?

Correct AnswerverifiedShow Answer

You are running a video editing application on Windows 10. When you open a file in the application that is stored on a Windows server, what protocol are you most likely using to open the file and at what TCP/IP model layer does it operate?

Correct AnswerverifiedShow Answer

While troubleshooting a connection problem to one of your servers named accounting.company.local, you start by using the ping program. When you try to ping accounting, you get an error but you are successful when you try to ping accounting.company.local. Where does the problem most likely lie?

Correct AnswerverifiedShow Answer

In a wireless network using an access point, how does the sending device know that the frame was received?

Correct AnswerverifiedB

A colleague has asked you where the media access control address of his computer is located? What do you tell him?

Correct AnswerverifiedShow Answer

When configuring a computer's IPv4 address, you must enter a default gateway for the computer to communicate on the local network.

Correct AnswerverifiedShow Answer

Which of the following is true of IPv6 addresses?

Correct AnswerverifiedShow Answer

In the TCP/IP layered architecture, which of the following is a protocol that operates at the Internetwork layer?

Correct AnswerverifiedShow Answer

Using a spreadsheet application, you open a file that is located on one of your Windows servers. Which OSI model layer is responsible for determining whether the request to open the file should be handled by the local file system or the network?

Correct AnswerverifiedShow Answer

Which network component extends from a computer's NIC to a switch?

Correct AnswerverifiedC

What is the unit of information used to send a frame onto the network medium?

Correct AnswerverifiedA

When a protocol of the TCP/IP suite adds a header to a UDP datagram, what unit of information has been created?

Correct AnswerverifiedShow Answer

In which element of a DNS server would you find a CNAME?

Correct AnswerverifiedShow Answer

What command-line tool can you use in Fedora Linux to display and change network interface settings?

Correct AnswerverifiedShow Answer

What part of a frame does a switch use to determine where to forward the frame?

Correct AnswerverifiedShow Answer

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B

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C

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A

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