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QUESTION 31
WAN backup over the Internet is often used to provide primary connection redundancy.
Which is the most important consideration when passing corporate traffic over the public Internet?
A. security
B. static versus dynamic routing
C. bandwidth
D. QoS
E. latency
Answer: A
Explanation:
WAN Backup over the Internet
Another alternative for WAN backup is to use the Internet as the connectivity transport between sites. However, keep in mind that this type of connection does not support bandwidth guarantees. The enterprise also needs to work closely with the ISP to set up the tunnels and advertise the company’s networks internally so that remote offices have reachable IP destinations. Security is of great importance when you rely on the Internet for network connectivity, so a secure tunnel using IPsec needs to be deployed to protect the data during transport.
QUESTION 32
Which type of area should you use in an enterprise OSPF deployment if you want to prevent propagation of type 5 LSAs but still allow the redistribution of external routes?
A. stub
B. totally stubby
C. backbone
D. NSSA
E. virtual link
Answer: D
QUESTION 33
Which protocol is used for voice bearer traffic?
A. MGCP
B. RTP
C. SCCP
D. CDP
E. ICMP
Answer: B
QUESTION 34
Which Cisco device management feature is most suited to metering network traffic and providing data for billing network usage?
A. BGP
B. Cisco Discovery Protocol
C. QoS
D. RMON
E. NetFlow
Answer: E
QUESTION 35
What are three valid methods of gathering information about an existing data network? (Choose three.)
A. Use organizational input.
B. Perform a traffic analysis.
C. Analyze the user-mapping of a running application.
D. Perform a packet-level audit to verify carrier service guarantees.
E. Perform a network audit to gather more detail about the network.
F. Use reports that analyze the metrics of the customer’s existing network.
Answer: ABE
QUESTION 36
Which two routing protocols converge most quickly? (Choose two.)
A. RIPv1
B. RIPv2
C. BGP
D. OSPF
E. EIGRP
Answer: DE
QUESTION 37
What is the benefit of VLSM?
A. reduces configuration complexity by using the same subnet mask length
B. reduces the routing table size by using automatic route summarization
C. reduces the routing table size by using manual route summarization
D. allows the subnet mask and classful routing updates to be advertised
E. secures the hosts on a subnet by using RFC 1918 addresses
Answer: C
QUESTION 38
Which two of these are scalability benefits of designing a network that utilizes VPNs? (Choose two.)
A. extends the network to remote users
B. allows networks to be set up and restructured quickly
C. reduces dial infrastructure expenditures
D. reduces the number of physical connections
E. simplifies the underlying structure of a customer WAN
Answer: DE
QUESTION 39
Refer to the exhibit. A standard Layer 2 campus network design is pictured.
Which numbered box represents the core layer?
A. #1
B. #2
C. #3
D. #4
E. #5
Answer: C
QUESTION 40
Which two design criteria require VLANs in a proposed solution? (Choose two.)
A. video streaming on the LAN
B. security between departments
C. the segmenting of collision domains
D. the segmenting of broadcast domains
E. the use of multivendor equipment
F. a limited corporate budget
Answer: BD
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