Deck 9: Network Fundamentals and Configuration

Question 1

A frame is a packet with the source and destination MAC addresses added to it.

Answer 1

True

Question 2

Why is the MAC address also referred to as the physical address?

A) it describes which room the computer is in
B) it is stored as part of the NIC
C) it is part of the operating system
D) it is found on the system BIOS

Answer 2

B

Question 3

Which of the following is NOT a typical reason for creating an internetwork?

A) groups of users should be logically separated
B) the LAN has grown and communication has become inefficient
C) you're running a legacy operating system on one of your servers
D) there is a long distance between groups of computers

Answer 3

C

Question 4

Your company has just expanded from a simple LAN using two switches on one floor of an office building to using another floor. Forty new users will be added to the network. The users on the new floor of the building will deal with finance and payroll and should be logically separated from the other users. What type of network is required and what device should be used?

A) internetwork, router
B) MAN, switch
C) MAN, router
D) internetwork, switch

Question 5

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

A) NIC
B) IP
C) BIOS
D) network medium

Question 6

You are configuring a Linux server that will work in a Windows domain environment. You need the Linux server to be compatible with the Windows centralized logon service. What should you install?

A) LDAP
B) DNS
C) DHCP
D) NIS

Question 7

Repeaters are the main network building block in medium-sized to large networks.

Question 8

You are troubleshooting a computing session in which a user can't access another computer named BillsComputer on the network. You open a command prompt and type ping BillsComputer but you get an error. Next, you look in your network documentation to get the address of BillsComputer and try the ping command using the IP address and the command works. Which part of the communication process was not working when you tried the ping BillsComputer command.

A) network medium
B) name lookup
C) network interface
D) device driver

Question 9

Your company has just opened an office in another state and you need the computers to communicate between the offices. What type of network should you create?

A) LAN
B) WAN
C) SAN
D) MAN

Question 10

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

A) TCP
B) ICMP
C) DHCP
D) SNMP

Question 11

You are using a device that reads the physical addresses contained in incoming data that travels along network cables. Based on the physical address that it reads, the device then forwards the data out one of its ports to reach the destination device. What type of device are you using?

A) an AP
B) a switch
C) a router
D) a NIC

Question 12

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

Question 13

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

A) user application
B) network software
C) network protocol
D) network interface

Question 14

About how much data is typically transferred in each packet or frame?

A) 1 MB
B) 1500 bytes
C) 15 KB
D) 150 bytes

Question 15

Which of the following is a reason that data is transferred in chunks rather than as one long transfer of data?

A) The pause between chunks prevents the receiving computer from getting confused.
B) The sending computer would use too much electrical power if too much data is sent at one time.
C) The computers would run out of RAM if too much data is sent at one time.
D) The pause between chunks allows the computer to perform other processing tasks.

Question 16

The Internetwork layer is where the HTTP protocol operates.

Question 17

Which of the following is information will you find in a network packet header?

A) source MAC address
B) CRC
C) destination IP address
D) destination physical address

Question 18

A Web browser is an example of which type of network component?

A) network server
B) network protocol
C) network client
D) network interface

Question 19

Network client software allows a computer to share its resources by responding to resource requests generated by network servers.

Question 20

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

A) network interface
B) interconnecting device
C) network medium
D) network protocol

Question 21

Which OSI model layer is involved with user logon and logoff?

A) Session
B) Presentation
C) Network
D) Data Link

Question 22

You are running the Chrome Web browser and try to open a Web site when you are prompted for login credentials. What TCP/IP model layer is at work that requires you to logon to the Web site?

A) Network access layer
B) Application layer
C) Transport layer
D) Internetwork layer

Question 23

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

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 received

Question 24

When examining protocols of the TCP/IP model, what unit of information does the SMTP protocol work with?

A) data
B) packets
C) frames
D) bits

Question 25

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

A) logical address
B) port number
C) checksum
D) sequence number

Question 26

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?

A) Session
B) Presentation
C) Network
D) Data Link

Question 27

Which of the following is NOT a task performed by a NIC and its driver?

A) connects the computer to the medium
B) receives frames from the network protocol
C) converts frame data into bit signals
D) receives bit signals and assembles them

Question 28

Your new technician has been tasked with configuring your DHCP server. He has been asked to configure a scope for the client computers which can be assigned any IP address in the range of the scope. However, the network printers must be assigned an IP address via DHCP but they must always be assigned the same address. He asks what this feature is called and how the printers are identified by the DHCP server. What do you tell him?

A) exclusions, IP address
B) reservations, MAC address
C) static, DNS host name
D) scope options, NETBIOS name

Question 29

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?

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

Question 30

You are examining a segment header from a frame you captured with a protocol analyzer. What TCP/IP protocol header are you examining?

A) IP
B) Ethernet
C) TCP
D) UDP

Question 31

You are troubleshooting a network connectivity issue on a client computer. You cannot ping the computer and the computer cannot ping any other computers on the network, but the network interface is showing a valid network connection. You run the ipconfig program and see that the computer's IP address is 169.254.100.19. What do think the problem is likely to be?

A) The client is configured to use DHCP but no DHCP server is responding.
B) Someone configured an invalid static IP address on the computer.
C) The NIC is faulty and randomly assigning an IP address to the computer.
D) The Domain Name Server on the network has corrupt data.

Question 32

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

A) source IP address
B) destination MAC address
C) destination IP address
D) source MAC address

Question 33

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

A) bits
B) packets
C) data
D) segments

Question 34

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?

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

Question 35

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

A) frame
B) packet
C) data
D) segment

Question 36

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

A) resource records
B) root hints
C) server service
D) TLD server

Question 37

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

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.

Question 38

Which of the following is true of IPv6 addresses?

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 assigned

Question 39

You want a Windows Server 2019 computer to handle network logons and enforce network access and security policies. How should you configure this computer?

A) with IIS
B) as a DNS server
C) as a domain controller
D) with NIS

Question 40

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?

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 computer

Question 41

In which layers of the OSI model does the network interface operate?

A) Network and Transport
B) Data Link and Physical
C) Transport and Session
D) Network and Application

Question 42

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

A) ipconfig
B) netstat
C) ethtool
D) ping

Question 43

You are trying to communicate with a computer on another LAN in your company's internetwork. You don't have any trouble communicating with computers on the same LAN as your computer but you can't reach computers on other LANs. In which layer of the OSI model is the problem most likely found?

A) Application
B) Session
C) Transport
D) Network

Question 44

You have just finished configuring a Windows 10 computer with a static IP address. When you test to configuration, you find that you can communicate with other computers on the same network, but you can't communicate with computers on other networks or the Internet. What is the most likely problem?

A) incorrect default gateway
B) incorrect IP address
C) incorrect DNS server address
D) incorrect subnet mask

Question 45

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

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.

Question 46

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

A) the TCP protocol
B) network interface card
C) layer 3 switch
D) Ethernet driver