The Candid Test On CCNA 4 Networking

19 Questions | By Archz | Updated: Mar 18, 2022 | Attempts: 2107

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A computer network is a set of computers connected together for the purpose of sharing resources, which most commonly is the internet. The quiz below is designed to help you see how much you learnt in your CCNA class when it comes to networking. Give it a shot and read up on what you get wrong.

Questions and Answers

1.

Which of the following is apacket switched WAN technology?
- A.
  
  Frame Relay
- B.
  
  T1/E1
- C.
  
  POTS
- D.
  
  ISDN
2.

What do HDLC, PPP, Frame Relay and ISDN have in common?
- A.
  
  They operate at the physical layer.
- B.
  
  They operate at the network layer.
- C.
  
  They operate at the data link layer.
- D.
  
  They are proprietary standards.
3.

What is the process of allocating bandwidth to different sources on the same media?
- A.
  
  Time Division Multiplexing
- B.
  
  Bandwidth allocation
- C.
  
  Load distribution
- D.
  
  Packet switching
4.

Which OSI layer performs the following types of encapsulation: ISDN, Frame Relay, and HDLC?
- A.
  
  Network
- B.
  
  Session
- C.
  
  Data link
- D.
  
  Transport
5.

A router is referred to as which type of device?
- A.
  
  DCE
- B.
  
  DTE
- C.
  
  CPE
- D.
  
  CO
6.

What is the name of the collective switches and facilities (called trunks) inside the WAN provider's cloud?
- A.
  
  Customer premises equipment
- B.
  
  Toll network
- C.
  
  Demarcation
- D.
  
  Local loop
7.

Which WAN service(s) employs the use of TDMs?
- A.
  
  Basic telephone service and ISDN
- B.
  
  Frame Relay
- C.
  
  Frame Relay and basic telephone service
- D.
  
  POTS and ATM
8.

How are WAN link options classified?
- A.
  
  Multiplexed and packet switched
- B.
  
  Packet switched and broadcast
- C.
  
  Dedicated and broadcast
- D.
  
  Dedicated and switched
9.

What is the most common type of packet-switched WAN network?
- A.
  
  SMDS
- B.
  
  ISDN
- C.
  
  Frame Relay
- D.
  
  X.25
10.

What layers of the OSI model are WANs focused on?
- A.
  
  Network and transport
- B.
  
  Physical and data link
- C.
  
  Network and data link
- D.
  
  Physical and network
11.

Which of the following is a circuit switched WAN
- A.
  
  ATM
- B.
  
  T1/E1
- C.
  
  ISDN
- D.
  
  SMDS
12.

Which of the following are examples of WAN services?
- A.
  
  Ethernet and 802.3
- B.
  
  ISDN and Frame Relay
- C.
  
  Token Ring and FDDI
- D.
  
  SDLC and HDLC
13.

Which of the following isNOT an essential component of a leased line connection?
- A.
  
  Switch
- B.
  
  CSU/DSU
- C.
  
  Service provider circuit
- D.
  
  Router port
14.

Which device adapts the router interface to the service provider's circuit?
- A.
  
  Router
- B.
  
  Host terminal
- C.
  
  CSU/DSU
- D.
  
  WAN switch
15.

Dial-on-demand routing can dynamically initiate and close which of the following session types?
- A.
  
  Dedicated line
- B.
  
  Circuit-switched line
- C.
  
  Packet-switched line
- D.
  
  PVC
16.

Which packet-switched WAN technologies are characterized by the use of Permanent Virtual Circuits (PVCs)?
- A.
  
  Frame Relay and ISDN
- B.
  
  Frame Relay and X.25
- C.
  
  ISDN only
- D.
  
  ISDN and X.25
17.

The cabling that extends from the customer's site (CPE) to the Central Office (CO) is known as what?
- A.
  
  Local loop
- B.
  
  T1 link
- C.
  
  Telco loop
- D.
  
  Switch circuit
18.

The point at which the CPE ends is known as what?
- A.
  
  Point of presence
- B.
  
  Local loop
- C.
  
  DTE
- D.
  
  Demarcation
19.

Which digital service provides both voice and data transmission over existing phone lines?
- A.
  
  PPP
- B.
  
  HDLC
- C.
  
  X.25
- D.
  
  ISDN