Chapter 1

Question 1

What is the name of the domain controller database that Windows Server 2016 uses to store data about user access and resources on the network?(two words)

Answer 1

AD (Active Directory)

Question 2

At the transport layer , the PDU is known as a ____________ when the TCP protocol is used

Answer 2

segment

Question 3

At the transport layer , the PDU is known as a ____________ when the UDP protocol is used

Answer 3

datagram

Question 4

An encrypted and secure file transfer protocol is SFTP which is based on the ____ protocol (3 letter answer)

Answer 4

SSH (Secure Shell)

Question 5

At the Data Link layer, which type of network address is used to identify the receiving node?

Answer 5

Physical, hardware, MAC, data link layer address

Question 6

What is a message called that is delivered by TCP? At which layer does the protocol work?

Answer 6

Segment, transport layer

Question 7

In the client-server model, what is the primary protocol used for communication between a browser and web server?

Answer 7

HTTP

Question 8

List the OSI Model layers in order Layer 7 to 1

Answer 8

7 Application
6 Presentation
5 Session
4 Transport
3 Network
2 Data Link
1 Physical

Question 9

Which two encryption protocols might be used to provide secure transmissions for browser and web server communications?

Answer 9

SSL and TLS

Question 10

Which email protocol allows an email client to download email messages to the local computer?

Answer 10

POP3

Question 11

Which email protocol allows an email client to read mail stored on the mail server?

Answer 11

IMAP4

Question 12

Which application embedded in Windows operating systems allows remote control of a computer and uses the RDP secure protocol for transmissions?

Answer 12

Remote Desktop

Question 13

A network consists of five computers, all running Windows 10 Professional. All the computers are connected to a switch, which is connected to a router, which is connected to the Internet. Which networking model does the network use?

Answer 13

Peer-to-peer connection

Question 14

Which networking model requires that a computer is available with a Network Operating System installed on it?

Answer 14

Client-server

Question 15

A network consists of seven computers and a network printer, all connected directly to one switch. Which network topology does this network use?

Answer 15

Star topology

Question 16

A network consists of three switches connected together by a network cable. Three computers are connected to the each of the three switches. Which network topology is being used?

Answer 16

Star

Question 17

Which type of address is used at the Transport layer to identify the receiving application?

Answer 17

Port Number

Question 18

A computer is unable to access the network. When you check the LED lights near the computer’s network port, you discover the lights are not lit. Which layer of the OSI model are you using to troubleshoot this problem? At which two layers does the network adapter work?

Answer 18

Physical layer and data link layer

Question 19

HTTP, IMAP4, FTP, and Telnet are all examples of protocols that operate at what layer of the OSI model?

Answer 19

Layer 7

Question 20

The protocol data unit for the Physical layer of the OSI model is payload, or data. T or F

Answer 20

False

Question 21

The Data Link layer attaches a trailer to the end of a packet, and does not include a header. T of F

Answer 21

False

Question 22

The Transmission Control Protocol (TCP) is considered to be a connectionless, or best-effort delivery protocol.
T or F

Answer 22

False

Question 23

Static electricity is an electrical charge in motion.

T or F

Answer 23

False

Question 24

The fundamental difference between a switch and a router is that a switch belongs only to its local network and a router belongs to two or more local networks.
T or F

Answer 24

True

Question 25

The Transport layer header addresses a receiving application by a number called a MAC address. T or F

Answer 25

False