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NO.1 Which two statements are correct about link-state routing protocols? (Choose two.)

 

A. Packets are routed based upon the shortest path to the destination.
B. Paths are chosen based upon the number of hops to the destination.
C. The exchange of advertisement is triggered by a change in the network.
D. In a multipoint network, all routers exchange routing tables directly with all the routers.
Answer: A,C

NO.2 What does TCP use to set up a connection?
A. Two-way handshake
B. Sliding window
C. Three-way handshake
D. Four-way handshake
Answer: C

NO.3 Which two statements are correct regarding QoS in an IP network using DiffServ? (Choose
two.)
A. High priority traffic can be dropped by any router in the network.
B. Packets belonging to the same QoS class always traverse the same path regardless of IGP
topology change.
C. Routers reserve required bandwidth before they start forwarding packets for a given class.
D. QoS procedures applied to a given traffic class are the same for all routers within the DiffServ
domain.
Answer: A,D

NO.4 IPv6 addresses can be classified into which three categories? (Choose three.)
A. anycast
B. broadcast
C. multicast
D. hexcast
E. unicast
Answer: A,C,E

NO.5 Which three techniques allow for the co-existence of IPv4 and IPv6 networks? (Choose three.)
A. tunneling
B. anycasting
C. translation
D. encoding
E. dual-stacking
Answer: B

NO.6 What are two advantages of using NAT in a network? (Choose two.)
A. to provide encryption for all IP traffic
B. to efficiently compress the IP packet
C. to hide private IP addresses from the Internet
D. to reduce the use of public IP addresses in a network
Answer: C,D

NO.7 Why must the distance between two IP networks be less than 16 routers when using RIP as a
routing protocol?
A. RIP is a classful routing protocol.
B. RIP converges too slowly.
C. RIP uses a metric of 16 as infinite.
D. RIP uses 16 seconds as a hold timer.
Answer: C

NO.8 An edge router forwards a mixture of VoIP and IPTV traffic over the same port.
Which two QoS scheduling algorithms would you use to assure good VoIP call quality when the port
is congested? (Choose two.)
A. PQ
B. WFQ
C. PWFQ
D. WRED
Answer: A,C

NO.9 Computer A with IP address 192.168.1.1 / 24 wants to send a packet to computer B with IP
address 192.168.2.1 / 24. Which statement is correct?
A. Computer A will send an ARP request to computer B.
B. Computer A will encode the destination MAC address of computer B.
C. Computer A will use its default gateway.
D. Computer A will send a network discovery request to computer B.
Answer: C

NO.10 Which two statements are true about MPLS encapsulation in relation to other protocols?
(Choose two.)
A. MPLS encapsulates IP packets.
B. UDP encapsulates MPLS packets.
C. TCP encapsulates MPLS packets.
D. Ethernet encapsulates MPLS packets.
Answer: A,D