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NO.1 Which statement is true regarding UDLD and STP timers?
A. The UDLD message timer should be two times the STP forward delay to prevent loops.
B. UDLD and STP are unrelated features, and there is no relation between the timers.
C. The timers need to be synced by using the spanning-tree udld-sync command.
D. The timers should be set in such a way that UDLD is detected before the STP forward delay
expires.
Answer: D
NO.2 Which two hashing algorithms can be used when configuring SNMPv3? (Choose two.)
A. MD5
B. SHA-1
C. Blowfish
D. DES
E. AES
F. SSL
Answer: A,B
NO.3 Refer to the exhibit.
Which statement is true?
A. R1 routes this pseudowire over MPLS TE tunnel 1 with transport label 20.
B. The default route 0.0.0.0/0 is available in the IPv4 routing table.
C. R1 is using an MPLS TE tunnel for this pseudowire, because the IP path is not available .
D. R1 has preferred-path configured for the pseudowire.
Answer: D
NO.4 Refer to the exhibit.
Why is the neighbor relationship between R1 & R2 and R1 & R3 an L2-type neighborship?
A. because the area ID on R1 is different as compared to the area ID of R2 and R3
B. because the circuit type on those three routers is L1/L2
C. because the network type between R1, R2, and R3 is point-to-point
D. because the hello interval is not the same on those three routers
Answer: A
NO.5 Refer to the exhibit.
The interface FastEthernet0/1 of both routers R4 and R5 is connected to the same Ethernet segment
with a multicast receiver. Which two statements are true? (Choose two)
A. Multicast traffic that is destined to a receiver with IP address 192.168.2.6 will flow through router
R4.
B. Both routers R4 and R5 will send PIM join messages to the RP.
C. Only router R5 will send a multicast join message to the RP.
D. Multicast traffic that is destined to a receiver with IP address 192.168.2.6 will flow through router
R5.
Answer: C,D
NO.6 Consider an OSPFv3 network with four parallel links between each pair of routers. Which
measure can you use to reduce the CPU load and at the same time keep all links available for ECMP?
A. Configure some interfaces as passive interface.
B. Configure ipv6 ospf priority 0 on some interfaces.
C. Configure some routers with a distribute list in ingress of the OSPFv3 process.
D. Configure ipv6 ospf database-filter all out on some interfaces.
Answer: D
NO.7 Which two options are causes of out-of-order packets? (Choose two.)
A. a routing loop
B. a router in the packet flow path that is intermittently dropping packets
C. high latency
D. packets in a flow traversing multiple paths through the network
E. some packets in a flow being process-switched and others being interrupt-switched on a
transit router
Answer: D,E
NO.8 Which three EIGRP packet types are valid? (Choose three.)
A. open
B. notification
C. keep-alive
D. hello
E. query
F. reply
Answer: D,E,F