Question 1

Which layer(s) of the hybrid TCP-IP-OSI standards architecture normally use(s) OSI standards?

Accepted Answer

A)  Data link.
B)  Transport.
C)  Both A and B
D)  Neither A nor B

Question 2

The OSI ________ layer is designed to handle compression and encryption for applications.

Accepted Answer

A)  application
B)  presentation
C)  session
D)  data
E)  All of the above.

Question 3

A corporate network can use either OSI standards at all layers or TCP-IP standards at all layers,but cannot use OSI standards at some layers and TCP-IP standards at other layers.

Accepted Answer

A) True 
 B)False

Question 4

TCP-IP became dominant in corporations primarily because of ________.

Accepted Answer

A)  its use on the Internet
B)  its relatively simple standards

Question 5

What is (are) the well-known port number(s) for HTTP?

Accepted Answer

A)  20 and 21.
B)  25.
C)  80.
D)  None of the above.

Question 6

The header is defined as everything that comes before the data field.

Accepted Answer

A) True 
 B)False

Question 7

In HTTP,the end of a header field is indicated by a ________.

Accepted Answer

A)  bit position
B)  byte position
C)  CRLF
D)  colon
E)  blank line

Question 8

The OSI presentation layer is actually used ________.

Accepted Answer

A)  to convert between file formats
B)  as a category for data file standards used by multiple applications

Question 9

Well-known port numbers are associated with ________.

Accepted Answer

A)  applications
B)  switches
C)  routers
D)  None of the above.

Question 10

At which layer would you find file transfer protocol standards for downloading files?

Accepted Answer

A)  Application.
B)  Transport.
C)  Internet.
D)  Data link.
E)  All of the above.

Question 11

An HTTP response message has a ________.

Accepted Answer

A)  trailer
B)  data field
C)  Both A and B
D)  Neither A nor B

Question 12

Which of the following has port numbers in its header?

Accepted Answer

A)  UDP.
B)  TCP.
C)  Both A and B
D)  Neither A nor B

Question 13

Port fields are found in ________.

Accepted Answer

A)  UDP headers
B)  TCP headers
C)  Both A and B
D)  Neither A nor B

Question 14

________ is placing a message in the data field of another message.

Accepted Answer

A)  Nesting
B)  Vertical communication
C)  Layering
D)  Encapsulation

Question 15

Which of the following is NOT an OSI layer?

Accepted Answer

A)  Data link.
B)  Internet.
C)  Session.
D)  Presentation.
E)  Application.

Question 16

Which of the following is NOT one of the three general parts of messages?

Accepted Answer

A)  Address field.
B)  Header.
C)  Data field.
D)  Trailer.

Question 17

A 5-bit field can represent ________ alternatives.

Accepted Answer

A)  4
B)  8
C)  16
D)  32
E)  64

Question 18

Messages always have data fields.

Accepted Answer

A) True 
 B)False

Question 19

To represent 65 alternatives,your alternatives field would have to be ________ bits long.

Accepted Answer

A)  4
B)  5
C)  6
D)  7
E)  8

Question 20

Host P transmits a SYN to Host Q.If host Q is willing to open the connection,it will transmit a(n) ________ segment.

Accepted Answer

A)  ACK
B)  SYN
C)  SYN/ACK
D)  None of the above.

Exam 2: Network Standards

Which layer(s) of the hybrid TCP-IP-OSI standards architecture normally use(s) OSI standards?

Correct AnswerverifiedShow Answer

The OSI presentation layer is actually used ________.

Correct AnswerverifiedShow Answer

At which layer would you find file transfer protocol standards for downloading files?

Correct AnswerverifiedShow Answer

What is (are) the well-known port number(s) for HTTP?

Correct AnswerverifiedShow Answer

In HTTP,the end of a header field is indicated by a ________.

Correct AnswerverifiedShow Answer

A corporate network can use either OSI standards at all layers or TCP-IP standards at all layers,but cannot use OSI standards at some layers and TCP-IP standards at other layers.

Correct AnswerverifiedShow Answer

Which of the following is NOT one of the three general parts of messages?

Correct AnswerverifiedShow Answer

Messages always have data fields.

Correct AnswerverifiedShow Answer

A 5-bit field can represent ________ alternatives.

Correct AnswerverifiedShow Answer

Port fields are found in ________.

Correct AnswerverifiedShow Answer

The header is defined as everything that comes before the data field.

Correct AnswerverifiedShow Answer

An HTTP response message has a ________.

Correct AnswerverifiedShow Answer

The OSI ________ layer is designed to handle compression and encryption for applications.

Correct AnswerverifiedShow Answer

________ is placing a message in the data field of another message.

Correct AnswerverifiedShow Answer

Well-known port numbers are associated with ________.

Correct AnswerverifiedShow Answer

TCP-IP became dominant in corporations primarily because of ________.

Correct AnswerverifiedShow Answer

Host P transmits a SYN to Host Q.If host Q is willing to open the connection,it will transmit a(n) ________ segment.

Correct AnswerverifiedShow Answer

Which of the following is NOT an OSI layer?

Correct AnswerverifiedShow Answer

Which of the following has port numbers in its header?

Correct AnswerverifiedShow Answer

To represent 65 alternatives,your alternatives field would have to be ________ bits long.

Correct AnswerverifiedShow Answer

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