Question

Question 26

1. In the TCP/IP model, what layer combines the responsibilities of the Application, Presentation, and Session layers from the OSI model?

   	a.	Internet
   	b.	Application
   	c.	Transport
   	d.	Link

1.25 points

Question 27

1. In the TCP/IP model, what layer is considered so simple that it is ignored entirely?

   	a.	Network
   	b.	Data Link
   	c.	Application
   	d.	Physical

1.25 points

Question 28

1. In the United States, who is able to activate the Emergency Alert System at the national level?

   	a.	The President
   	b.	The Federal Bureau of Investigation
   	c.	Local law enforcement
   	d.	Any U.S. state or territory

1.25 points

Question 29

1. Servers that have a NOS installed require less memory, processing power, and storage capacity than clients because servers are called on to handle only light processing loads and requests from multiple clients.

   True

   False

1.25 points

Question 30

1. Static electricity is an electrical charge in motion.

   True

   False

1.25 points

Question 31

1. The Data Link Layer utilizes what name for its protocol data unit (PDU)?

   	a.	packet
   	b.	bit
   	c.	frame
   	d.	data

1.25 points

Question 32

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

   True

   False

1.25 points

Question 33

1. The TCP and UDP protocols both exist at what layer of the OSI model?

   	a.	Network
   	b.	Transport
   	c.	Presentation
   	d.	Application

1.25 points

Question 34

1. The TIA/EIA standard for wall jacks in a work area require that at least one outlet be provided for data and one for voice.

   True

   False

1.25 points

Question 35

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

   True

   False

1.25 points

Question 36

1. The Transport layer header addresses a receiving application by a number called a MAC address.

   True

   False

1.25 points

Question 37

1. The Windows Remote Desktop application utilizes what protocol to provide secure, encrypted transmissions?

   	a.	Secure Sockets Layer (SSL)
   	b.	File Transfer Protocol (FTP)
   	c.	Remote Desktop Protocol (RDP)
   	d.	Secure Shell (SSH)

1.25 points

Question 38

1. The frame header at the Data Link layer includes hardware addresses of the source and destination NICs. What is another name for this address?

   	a.	DAC (Digital Access Control) address
   	b.	PAC (Packet Access Control) address
   	c.	DAC (Data Access Control) address
   	d.	MAC (Media Access Control) address

1.25 points

Question 39

1. 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.

   True

   False

1.25 points

Question 40

1. The industry standard height for a rack in rack units is 42U.

   True

   False

Answer 1

26) Application
27) Physical
28) The President
29) False
30) False
31) frame
32) False
33) Transport
34) True
35) False
36) False
37) Remote Desktop Protocol (RDP)
38) MAC (Media Access Control) address
39) True
40) True