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QUESTION 241
On the basis of the definitions of different services in various RFCs, traffic with Expedited Forwarding per-hop behavior should be marked as which of these?

A.    IP ToS of 0xEF
B.    IP experimental ECN
C.    DSCP decimal 5
D.    Binary value of 101110

Answer: D

QUESTION 242
Prior to 802.1w, Cisco implemented a number of proprietary enhancements to 802.1D to improve convergence in a Layer 2 network. Which statement is correct?

A.    Only UplinkFast and BackboneFast are specified in 802.1w; PortFast must be manually configured.
B.    Only PortFast is specified in 802.1w; UplinkFast and BackboneFast must be manually configured.
C.    None of the proprietary Cisco enhancements are specified in 802.1w.
D.    PortFast, UplinkFast, and BackboneFast are specified in 802.1w.

Answer: D

QUESTION 243
In Frame Relay, FECN messages indicating congestion are sent or received by which of following?

A.    Sent by the destination
B.    Received by the sender
C.    Received by the destination
D.    Sent by the sender

Answer: C

QUESTION 244
Which statement is correct in reference to IPv6 multicast?

A.    IPv6 multicast uses Multicast Listener Discovery.
B.    The first 8 bits of an IPv6 multicast address are always FF (1111 1111).
C.    IPv6 multicast requires MSDP.
D.    PIM dense mode is not part of IPv6 multicast.

Answer: A

QUESTION 245
As a network administrator, can you tell me what the root guard feature provides in a bridgednetwork?

A.    It ensures that BPDUs sent by the root bridge are forwarded in a timely manner
B.    It enforces the root bridge placement in the network
C.    It ensures that all ports receiving BPDUs from the root bridge are in the forwarding state.
D.    It ensures that the bridge is elected as root bridge in the network.

Answer: B

QUESTION 246
If you have overlapping IP address between two different networks or routing domains, which two commands are needed to globally configure NAT to get this to work?

A.    ip nat outside source static udp x.x.x.x y.y.y.y and ip nat inside source udp x.x.x.x y.y.y.y
B.    ip nat outside source static x.x.x.x y.y.y.y and ip nat inside source static x.x.x.x y.y.y.y
C.    ip nat outside source static tcp x.x.x.x y.y.y.y and ip nat outside source tcp x.x.x.x y.y.y.y
D.    ip nat outside source list 1 interface x and ip nat inside source list 1 interface x

Answer: B

QUESTION 247
Two directly connected routers, R1 and R2, are both configured for OSPF graceful restart. R2 is able to switch packets in hardware, but R1 is not. If a network administrator logs on to R2 and performs a system reload, which will be the result?

A.    Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload. OSPF will
B.    R2 will continue to forward traffic to R1, but R1 will drop the traffic because its neighbor adjacency with R2 has failed.
C.    R2 will continue forwarding traffic to and through R1, but R1 will drop this traffic because it is not capable of maintaining its forwarding state
D.    All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.

Answer: A

QUESTION 248
In which way can the IPv6 address of 2031:0000:130F:0000:0000:09C0:876A:130B be expressed most efficiently?

A.    2031:0:130F:0:0:09C0:876A:130B
B.    2031::130F::9C0:876A:130B
C.    2031:0:130F::9C0:876A:130B
D.    2031:0:130F:0:0:9C0:876A:130B

Answer: C

QUESTION 249
Internet Protocol version 6 (IPv6) is the next-generation Internet Layer protocol for packet-switched internetworks and the Internet. IPv6 router solicitation is:

A.    A request made by a node for the IP address of the local router
B.    A request made by a node to join a specified multicast group
C.    A request made by a node for a DHCP provided IP address
D.    A request made by a node for the IP address of the DHCP server

Answer: A

QUESTION 250
Which two types of QoS functionality will be provided by Network-Based Application Recognition? (Choose two.)

A.    NBAR provides the ability to configure MCQ; it is a mandatory MCQ component.
B.    NBAR provides deep packet inspection and is used for advanced packet classification.
C.    NBAR provides per-protocol packet and byte accounting functionality; it is used to track bandwidth utilization for all protocols described in the loaded PDLMs.
D.    NBAR provides scheduling in an MQC policy map using an advanced algorithm.

Answer: BC

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