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Q281. For which three routing protocols can Cisco PfR provide direct route control? (Choose three.)
A. OSPF
B. IS-IS
C. BGP
D. EIGRP
E. static routing
F. ODR
Answer: C,D,E
Explanation:
Q. Can you elaborate more on the Parent Route and why it's so important to PfR?
A. Yes. For any route that PfR modifies or controls (BGP, Static, PIRO, EIGRP, PBR), having a Parent prefix in the routing table eliminates the possibility of a routing loop occurring. This is naturally a good thing to prevent in routed networks.
Reference: http://docwiki.cisco.com/wiki/Performance_Routing_FAQs#Route_Control
Q282. Refer to the exhibit.
If EIGRP is configured between two routers as shown in this output, which statement about their EIGRP relationship is true?
A. The routers will establish an EIGRP relationship successfully.
B. The routers are using different authentication key-strings.
C. The reliability metric is enabled.
D. The delay metric is disabled.
Answer: C
Explanation:
The 5 K values used in EIGRP are:
K1 = Bandwidth modifier
K2 = Load modifier
K3 = Delay modifier
K4 = Reliability modifier
K5 = Additional Reliability modifier
However, by default, only K1 and K3 are used (bandwidth and delay). In this output we see that K1, K3, and K4 (Reliability) are all set.
Q283. RIPv2 is enabled on a router interface. The "neighbor" command is also configured with a specific IP address. Which statement describes the effect of this configuration?
A. RIP stops sending multicast packets on that interface.
B. RIP starts sending only unicast packets on that interface.
C. RIP starts ignoring multicast packets on that interface.
D. RIP starts sending unicast packets to the specified neighbor, in addition to multicast packets.
Answer: D
Q284. Refer to the exhibit.
Which two benefits result from using this command on a switch? (Choose two.)
A. The port cannot forward unknown unicast packets.
B. Network security is increased on the configured port.
C. The port cannot forward unknown multicast packets.
D. The port cannot forward unknown broadcast packets.
E. Network security is increased on all ports of the switch.
F. Unknown packets of all types, except unicast, are blocked.
Answer: A,B
Q285. Which two statements about ERSPAN are true? (Choose two.)
A. It supports jumbo frames of up to 9202 bytes.
B. It adds a 50-byte header to copied Layer 2 Ethernet frames.
C. It supports packet fragmentation and reassembles the packets.
D. It adds a 4-byte header to copied Layer 2 Ethernet frames.
E. Source sessions on an individual switch can use different origin IP addresses.
Answer: A,B
Q286. Which three options are results of the command no mpls ip propagate-ttl? (Choose three.)
A. It prevents the TTL from being copied from the IP header to the MPLS header.
B. It prevents the MPLS hops from being visible to a CE router when you perform a traceroute.
C. A fixed TTL value of 255 is used for the first label of the IP packet.
D. It prevents the TTL from being copied from the MPLS header back into the IP header.
E. MPLS hops remain visible on a CE router when you perform a traceroute.
F. A fixed TTL value of 1 is used for the first label of the IP packet.
Answer: A,B,C
Q287. Refer to the exhibit.
Which two statements are true? (Choose two.)
A. This is the output of the show ip ospf command.
B. This is the output of the show ip protocols command.
C. This router is an ABR.
D. This router is an ASBR.
E. Authentication is not configured for the area.
Answer: A,E
Explanation:
The following is sample output from the show ip ospf command when entered without a specific OSPF process ID with no authentication.
Router# show ip ospf
Routing Process "ospf 201" with ID 10.0.0.1 and Domain ID 10.20.0.1
Supports only single TOS(TOS0) routes
Supports opaque LSA
SPF schedule delay 5 secs, Hold time between two SPFs 10 secs
Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs
LSA group pacing timer 100 secs
Interface flood pacing timer 55 msecs
Retransmission pacing timer 100 msecs
Number of external LSA 0. Checksum Sum 0x0
Number of opaque AS LSA 0. Checksum Sum 0x0
Number of DCbitless external and opaque AS LSA 0
Number of DoNotAge external and opaque AS LSA 0
Number of areas in this router is 2. 2 normal 0 stub 0 nssa
External flood list length 0
Area BACKBONE(0)
Number of interfaces in this area is 2
Area has no authentication
SPF algorithm executed 4 times
Area ranges are
Number of LSA 4. Checksum Sum 0x29BEB
Number of opaque link LSA 0. Checksum Sum 0x0
Number of DCbitless LSA 3 Number of indication LSA 0
Number of DoNotAge LSA 0 Flood list length 0
Reference: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_ospf/command/iro-cr-book/ospf-s1.html#wp8749965360
Q288. Which two statements about UDP and latency are true? (Choose two.)
A. UDP is connection oriented, so the size of a UDP stream is independent of latency.
B. UDP is connection oriented, so latency can increase the size of a UDP stream.
C. UDP is connectionless, so latency can increase the size of a UDP stream.
D. If latency decreases, throughput also decreases.
E. If latency increases, throughput also increases.
F. Latency can cause jitter on UDP connections.
Answer: C,F
Q289. DRAG DROP
Drag and drop the protocol on the left to the corresponding administrative distance on the right.
Answer:
Q290. DRAG DROP
Drag and drop the OTV component on the left to the function it performs on the right.
Answer: