Ch 5 - Fundamentals of TCP/IP Transport and Applications

Question 1

Which of the following header fields identify which TCP/IP application gets data received by the computer? (Choose two answers.)

a. Ethernet Type
b. SNAP Protocol Type
c. IP Protocol
d. TCP Port Number
e. UDP Port Number

Answer 1

D, E

Question 2

Which of the following are typical functions of TCP? (Choose four answers.)

a. Flow control (windowing)
b. Error recovery
c. Multiplexing using port numbers
d. Routing
e. Encryption
f. Ordered data transfer

Answer 2

A, B, C, F

Question 3

Which of the following functions is performed by both TCP and UDP?

a. Windowing
b. Error recovery
c. Multiplexing using port numbers
d. Routing
e. Encryption
f. Ordered data transfer

Answer 3

C

Question 4

What do you call data that includes the Layer 4 protocol header, and data given to Layer 4 by the upper layers, not including any headers and trailers from Layers 1 to 3? (Choose two answers.)

a. L3PDU
b. Chunk
c. Segment
d. Packet
e. Frame
f. L4PDU

Answer 4

C, F

Question 5

In the URI http://www.certskills.com/ICND1, which part identifies the web server?

a. http
b. www.certskills.com
c. certskills.com
d. http://www.certskills.com
e. The file name.html includes the hostname.

Answer 5

B

Question 6

Fred opens a web browser and connects to the www.certskills.com website. Which of the following are typically true about what happens between Fred’s web browser and the web server? (Choose two answers.)

a. Messages flowing toward the server use UDP destination port 80.
b. Messages flowing from the server typically use RTP.
c. Messages flowing to the client typically use a source TCP port number of 80.
d. Messages flowing to the server typically use TCP.

Answer 6

C, D