An Interesting Quiz On CCNA 4, Final Exam - A
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If you have been in doubt about how prepared you are for the exam, an interesting quiz on CCNA 4, final exam – a is just what you need to nail that exam that is creeping around the corner. Take it up and get to refresh your memory on what you may have forgotten.
- 1.Which statement best describes a WAN?
- A.
A WAN interconnects LANs over long distances.
- B.
A WAN is a public utility that enables access to the Internet.
- C.
WAN is another name for the Internet.
- D.
A WAN is a LAN that is extended to provide secure remote network access.
- 2.Connecting offices at different locations using the Internet can be economical for a business. What are two important business policy issues that should be addressed when using the Internet for this purpose? (Choose two.)
- A.
Addressing
- B.
Bandwidth
- C.
Privacy
- D.
Security
- E.
WAN Technology
- 3.What is a disadvantage of a packet-switched network compared to a circuit-switched network?
- A.
Higher cost
- B.
Fixed capacity
- C.
Less flexibility
- D.
Higher latency
- 4.A company is considering updating the campus WAN connection. Which two WAN options are examples of the private WAN architecture? (Choose two.)
- A.
Cable
- B.
Leased line
- C.
Ethernet WAN
- D.
Municipal Wi-Fi
- E.
Digital subscriber line
- 5.Which statement describes a characteristic of dense wavelength division multiplexing (DWDM)?
- A.
It supports the SONET standard, but not the SDH standard.
- B.
It enables bidirectional communications over one pair of copper cables.
- C.
It can be used in long-range communications, like connections between ISPs.
- D.
It assigns incoming electrical signals to specific frequencies.
- 6.Which WAN technology can serve as the underlying network to carry multiple types of network traffic such as IP, ATM, Ethernet, and DSL?
- A.
ISDN
- B.
MPLS
- C.
Frame Relay
- D.
Ethernet WAN
- 7.Which two WAN technologies are more likely to be used by a business than by teleworkers or home users? (Choose two.)
- A.
Cable
- B.
DSL
- C.
Frame Relay
- D.
MetroE
- E.
VPN
- 8.The security policy in a company specifies that the staff in the sales department must use a VPN to connect to the corporate network to access the sales data when they travel to meet customers. What component is needed by the sales staff to establish a remote VPN connection?
- A.
VPN gateway
- B.
VPN appliance
- C.
VPN concentrator
- D.
VPN client software
- 9.A corporation is searching for an easy and low cost solution to provide teleworkers with a secure connection to headquarters. Which solution should be selected?
- A.
Dial-up connection
- B.
Leased line connection
- C.
Site-to-site VPN over the Internet
- D.
Remote access VPN over the Internet
- 10.How many DS0 channels are bundled to produce a 1.544 Mbps T1 line?
- A.
2
- B.
12
- C.
24
- D.
28
- 11.Refer to the exhibit. Which type of Layer 2 encapsulation used for connection D requires Cisco routers?
- A.
Ethernet
- B.
PPPoE
- C.
HDLC
- D.
PPP
- 12.
- A.
PP can use synchronous and asynchronous circuits.
- B.
PPP can only be used between two Cisco devices.
- C.
PPP carries packets from several network layer protocols in LCPs.
- D.
PPP uses LCPs to establish, configure, and test the data-link connection.
- E.
PPP uses LCPs to agree on format options such as authentication, compression, and error detection.
- 13.A network administrator is configuring a PPP link with the commands:R1(config-if)# encapsulation ppp R1(config-if)# ppp quality 70What is the effect of these commands?
- A.
The PPP link will be closed down if the link quality drops below 70 percent.
- B.
The NCP will send a message to the sending device if the link usage reaches 70 percent.
- C.
The LCP establishment phase will not start until the bandwidth reaches 70 percent or more.
- D.
The PPP link will not be established if more than 30 percent of options cannot be accepted.
- 14.What function is provided by Multilink PPP?
- A.
Spreading traffic across multiple physical WAN links
- B.
Dividing the bandwidth of a single link into separate time slots
- C.
Enabling traffic from multiple VLANs to travel over a single Layer 2 link
- D.
Creating one logical link between two LAN switches via the use of multiple physical links
- 15.The graphic shows two boxes. The first box has the following output:R1(config)# show running-config <output omitted>username r2 password 0 Cisco!interface Serial0/0/0 ip address 209.165.200.225 255.255.255.252 encapsulation ppp ppp authentication chapThe second box has this output:R2(config)# show running-config <output omitted>username r1 password 0 Cisco!interface Serial0/0/0 ip address 209.165.200.226 255.255.255.252 encapsulation ppp ppp authentication chapRefer to the exhibit. A network administrator is configuring the PPP link between the routers R1 and R2. However, the link cannot be established. Based on the partial output of the show running-config command, what is the cause of the problem?
- A.
The usernames do not match each other.
- B.
The usernames do not match the host names.
- C.
The passwords for CHAP should be in lowercase.
- D.
The username r1 should be configured on the router R1 and the username r2 should be configured on the router R2.
- 16.Refer to the exhibit. A network administrator has configured routers RTA and RTB, but cannot ping from serial interface to serial interface. Which layer of the OSI model is the most likely cause of the problem?
- A.
Application
- B.
Transport
- C.
Network
- D.
Data link
- E.
Physical
- 17.What advantage does DSL have compared to cable technology?
- A.
DSL upload and download speeds are always the same.
- B.
DSL is faster.
- C.
DSL has no distance limitations.
- D.
DSL is not a shared medium.
- 18.Which broadband technology would be best for a user that needs remote access when traveling in mountains and at sea?
- A.
Wi-Fi Mesh
- B.
Mobile broadband
- C.
WiMax
- D.
Satellite
- 19.Which technology requires the use of PPPoE to provide PPP connections to customers?
- A.
DSL
- B.
Dialup analog modem
- C.
Dialup ISDN modem
- D.
T1
- 20.Refer to the exhibit. What is the network administrator verifying when issuing the show ip interface brief command on R1 in respect to the PPPoE connection to R2?
- A.
That the Dialer1 interface has been manually assigned an IP address
- B.
That the Dialer1 interface is up and up
- C.
That the Dialer1 interface has been assigned an IP address by the ISP router
- D.
That the IP address on R1 G0/1 is in the same network range as the DSL modem
- 21.Which technology creates a mapping of public IP addresses for remote tunnel spokes in a DMVPN configuration?
- A.
NHRP
- B.
ARP
- C.
NAT
- D.
IPsec
- 22.What is the purpose of the generic routing encapsulation tunneling protocol?
- A.
To manage the transportation of IP multicast and multiprotocol traffic between remote sites
- B.
To provide packet level encryption of IP traffic between remote sites
- C.
to support basic unencrypted IP tunneling using multivendor routers between remote sites
- D.
to provide fixed flow-control mechanisms with IP tunneling between remote sites
- 23.Refer to the exhibit. What is used to exchange routing information between routers within each AS?
- A.
IGP routing protocols
- B.
Static routing
- C.
EGP routing protocols
- D.
Default routing
- 24.Refer to the exhibit. All routers are successfully running the BGP routing protocol. How many routers must use EBGP in order to share routing information across the autonomous systems?
- A.
2
- B.
3
- C.
4
- D.
5
- 25.Which IPv4 address range covers all IP addresses that match the ACL filter specified by 172.16.2.0 with wildcard mask 0.0.1.255?
- A.
172.16.2.0 to 172.16.2.255
- B.
172.16.2.1 to 172.16.3.254
- C.
172.16.2.0 to 172.16.3.255
- D.
172.16.2.1 to 172.16.255.255
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