TCP/IP : Fundamentals And Protocols! Trivia Quiz

18 Questions | By Tcpipguru | Last updated: Mar 21, 2022 | Total Attempts: 111

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TCP/IP : Fundamentals And Protocols! Trivia Quiz - Quiz

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1.

A hub is connected to a switch port. Two PC's, PC1 and PC2 are connected to the hub. All the links are on ethernet communication. PC1 pings PC2. How many mac-address is learned on the switch port?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  0
2.

A PC that is connected to a switch port 1 is disconnected and connected to port 2. Which of the following is true w.r.t the above action?
- A.
  
  The mac-address of PC learned on port1 will be retained in the mac-address table
- B.
  
  The mac-address of PC will be learned on port 2 immediately after link is up
- C.
  
  Mac-address of PC will be removed from the mac-address table on disconnect from port 1
- D.
  
  Switch will add the mac-address learned on port 1 to internal buffer before disconnect.
3.

A hub is connected to a switch port 1. A PC is connected to a hub. The PC on the hub communicates with servers residing on the switch. The PC is disconnected from the hub. Which of the following statements are true?
- A.
  
  The mac-address table w.r.t to port 1 of the switch will not be modified. Mac-address will be retained
- B.
  
  The mac-address table w.r.t to port 1 of the switch will be modified. Mac-address will be removed
- C.
  
  Link will be disabled on the switch
- D.
  
  Mac-address of the port of the hub will be added instead of the PC's mac-address.
4.

What would happen if the source and destination mac-address in an ethernet frame received on a switch port are the same?
- A.
  
  The frame will be forwarded back to the source and a loop will be created
- B.
  
  The frame will be filtered and discarded.
- C.
  
  The frame will be broadcasted to all ports on the switch
- D.
  
  The frame will be routed
5.

Which of the following fields in an Ethernet frame is not usually checked by a layer 2 switch unless destined for itself?
- A.
  
  Data
- B.
  
  Type
- C.
  
  Source- Mac-address
- D.
  
  Preamble
6.

A 24 port switch receives a frame with destination mac-address unknown. To how many ports will the frame be flooded?
- A.
  
  23
- B.
  
  24
- C.
  
  1
- D.
  
  None of these
7.

In an 802.1q encapsulated ethernet frame, which field contains the value of the upper layer protocol?
- A.
  
  Type field in the ethernet frame.
- B.
  
  TPID (Tag protocol identifier) in the 802.1q header in the ethernet frame.
- C.
  
  VID (VLAN identifier)in the 802.1q header in the ethernet frame
- D.
  
  CFI
8.

A switch port operating in full-duplex mode is connected to a PC operating in half-duplex. What would be the effective duplex settings for communication?
- A.
  
  Full duplex
- B.
  
  Half Duplex
- C.
  
  Link will be up but communication would be unsuccessful.
- D.
  
  Link will not be established
9.

Which form of switching can be used if the CRC value of the frame is to be calculated only by the destination?
- A.
  
  Cut through
- B.
  
  Store and forward
- C.
  
  Cut through without CRC check
- D.
  
  None of the above
10.

In a LAN medium which uses the Canonical format which bit will be sent last for the mac-address 00-1b-78-ab-9f-99.
- A.
  
  The most significant bit of the first octet (00)
- B.
  
  The least significant bit of the first octet (00)
- C.
  
  The least significant bit of the last octet (99)
- D.
  
  The most significant bit of the last octet (99)
11.

Two switches sw1 and sw2 are connected using two links ( port 5 and port 6 on sw1 is connected to port 5 and port 6 on sw2 respectively). If a PC on sw1 generates a broadcast frame, how many copies of the frame would be received back by sw1 on ports 5 and 6?
- A.
  
  None
- B.
  
  1
- C.
  
  2
- D.
  
  3
12.

What would be the value of TYPE in an ethernet frame communicating in a TCP/IP environment in which the data is HTTP traffic?
- A.
  
  IP
- B.
  
  HTTP
- C.
  
  TCP
- D.
  
  6
13.

PC1 communicates with another PC2 on the same segment of a switch. What is the destination mac-address in the frame if the mac-address of PC1 is 00-1b-78-ab-9f-90?
- A.
  
  The mac-address of PC2
- B.
  
  The mac-address of the default gateway configured on PC1
- C.
  
  The mac-address of the switch port on which PC1 is connected
- D.
  
  The mac-address of the switch
14.

The mac-age time configured on the port of a switch is 5 minutes. A hub is connected to the port. PC1 and PC2 are connected to the hub. The mac-address of PC2 is added to the mac-address-table of the switch just before 2 minutes. Assuming no traffic has been triggered, after 2 minutes from start on both the PCs, What info would be displayed in the mac-address-table related to the port on the switch after 5 minutes?
- A.
  
  Mac-address of PC2
- B.
  
  Mac-address of PC2 and PC1
- C.
  
  None
- D.
  
  Mac-address of the hub port
15.

If reliability is required at Layer 2, what should be implemented in the design?
- A.
  
  LLC - Type1
- B.
  
  LLC - Type 2
- C.
  
  Reliability at layer 2 is not possible
- D.
  
  Mac Layer
16.

Which of the following offers a connectionless acknowledged service?
- A.
  
  LLC Type 1
- B.
  
  LLC Type 2
- C.
  
  LLC Type 3
- D.
  
  None of the above
17.

A PC is connected to a 5 port ethernet hub operating at 100 Mbps. Other ports of the hub are free and not connected to any other devices. At what duplex setting can the hub operate?
- A.
  
  Half duplex only
- B.
  
  Since only the PC is on the hub, the hub will be forced to operate in full duplex
- C.
  
  Half or Full duplex
- D.
  
  None of the above
18.

Which of the following devices does not have a mac-address?
- A.
  
  Access points
- B.
  
  Switches
- C.
  
  Routers
- D.
  
  None of the above