CCNA 4 Quiz
.
- 1.Using virtual circuits, any site can communicate directly with another.
- A.
Hub-and Spoke
- B.
Point-to-Point
- C.
Dual-Homed
- D.
Full Mesh
- 2.Consists of the devices and inside wiring located on the enterprise edge, connecting to a carrier link.
- A.
CPE
- B.
DCE
- C.
DTE
- D.
CO
- 3.The customer device that passes data from the customer computer network or host computer for transmission over the WAN
- A.
CPE
- B.
DCE
- C.
DTE
- D.
CO
- 4.Consists of devices that put data on the local loop. Provides an interface to connect subscribers to a communication link on the WAN cloud.
- A.
CPE
- B.
DCE
- C.
DTE
- D.
PPP
- 5.Splits traffic into data packets that are routed over a shared network
- A.
Packet Switching
- B.
Toll Network
- C.
Circuit Switching
- D.
CSU/DSU
- 6.The local loop connects the CPE to the CO
- A.
True
- B.
False
- 7.Which two items describe Integrated Services Digital Network (ISDN)
- A.
Circuit Switching
- B.
Packet Switching
- C.
Enables the local loop of a PSTN to carry digital signals
- D.
Contains a 5 byte header followed by a 48 byte payload
- 8.Uses labels, which tell the router what to do with the packet.
- A.
Frame-Relay
- B.
MPLS
- C.
ATM
- D.
Ethernet Wan
- 9.How many DS0 channels are bundled to produce a 1.544 Mbps T1 line?
- A.
48
- B.
24
- C.
36
- D.
12
- 10.Which technology requires the use of PPPoE to provide PPP connections to customers?
- A.
DSL
- B.
Satellite
- C.
Cable
- D.
WIMAX
- 11.PPP authentication is Performed at which OSI layer?
- A.
Layer 1
- B.
Layer 2
- C.
Layer 3
- D.
Layer 4
- 12.Which protocol is used by PPP to provide authentication and protection from playback attacks?
- A.
PAP
- B.
CHAP
- C.
VPN
- D.
NHRP
- 13.With which layers of the OSI model do the PPP control protocols interface? CHOOSE TWO
- A.
NCP - interface with Layer 3
- B.
NCP interfaces with Layer 2
- C.
LCP interface with Layer 1
- D.
LCP interfaces with layer 3
- 14.What function does the NCP perform in the establishment of a PPP session?
- A.
Completes the Specific configuration of the network layer protocol that is being used.
- B.
Used to enhance security
- C.
Provides load balancing
- D.
Reduces the amount of bits that must travel across the link.
- 15.Which medium do service providers use to transmit data over WAN connections with SONET, SDH, and DWDM?
- A.
Fiber Optic
- B.
Satellite
- C.
Wi-Fi
- D.
Copper
- 16.A new corporation needs a data network that must meet certain requirements. The network must be fast and reliable to transmit secure video conferencing calls between two branches. If cost is not a consideration, which two types of WAN infrastructure would best meet the requirements? (Choose two.)
- A.
Public infrastructure
- B.
Private infrastructure
- C.
Dedicated
- D.
Switched
- E.
Internet
- F.
Option 6
- 17.Which two WAN infrastructure services are examples of private connections? (Choose two.)
- A.
T1/E1
- B.
Frame Relay
- C.
DSL
- D.
Wireless
- 18.Which public WAN technology provides security by using encrypted tunnels over Internet connections?
- A.
3G/4G
- B.
DSL
- C.
VPN
- D.
Cable
- 19.the default serial encapsulation method when connecting two Cisco routers.
- A.
PPP
- B.
PPPoE
- C.
HDLC
- D.
PAP
- 20.There are many advantages to using PPP (Choose Two)
- A.
The link quality management feature (LQM) monitors the quality of the link.
- B.
It is proprietary
- C.
Supports PAP and CHAP
- D.
Most of the work happens in the application layers
- 21.At the physical layer, you can configure PPP on a range of interfaces. The only absolute requirement imposed by PPP is
- A.
Half-Duplex
- B.
Full Duplex
- C.
MTU has to be 1494
- D.
LCP work in the Network Layer
- 22.At the physical layer, PPP can use Synchronous media or Asynchronous media
- A.
True
- B.
False
- 23.Standard ACLs filter IP packets based on...
- A.
Source and Destination Address
- B.
Source Only
- C.
Destination Only
- D.
Height
- E.
Weight
- F.
Looks
- 24.Extended ACLS filter IP Packets based on several attributes. (choose two)
- A.
Source and Destination Addresses
- B.
Source and Destination TCP and UDP ports
- C.
Named only
- D.
Numbered only
- 25.This is so much studying and my Brain Hurts!!
- A.
True
- B.
False
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