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QUESTION 85
Which three interface commands will configure the switch port to support a connected Cisco phone and to trust the CoS values received on the port if CDP discovers that a Cisco phone is attached? (Choose three.)
A. mls qos trust override cos
B. mls qos trust cos
C. mls qos trust device cisco-phone
D. switchport priority extend cos_value
E. switchport voice vlan vlan-id
Correct Answer: BCE Section: (none) Explanation
Explanation/Reference:
QUESTION 86
Which three IP multicast address related statements are true? (Choose three.)
A. Multicast addresses 224.0.0.0 through 224.0.0.255 are always forwarded because they are transmitted with Time to Live (TTL) greater than 1.
B. Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers.
C. Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link-local addresses used by PIMv2 and IGMPv3.
D. Because they would map to overlapping IP multicast MAC addresses, multicast addresses 224.0.1.1 and 238.1.1.1 could not be used together.
E. Multicast address 224.0.1.1 has been reserved for the Network Time Protocol (NTP) by the IANA.
F. The administratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in purpose to RFC 1918 private unicast addresses.
Correct Answer: CEF Section: (none) Explanation
Explanation/Reference:
QUESTION 87
Which three statements about the EIGRP routing protocol are true? (Choose three.)
A. EIGRP sends periodic hello packets to the multicast IP address 224.0.0.9.
B. EIGRP sends periodic hello packets to the multicast IP address224.0.0.10.
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QUESTION 90
Refer to the exhibit. A trunk link is connected between switch A_SW and switch D_SW. Based on the configuration shown in the exhibit, how would the traffic coming from the switch A_SW be managed?
A. The trunk port Fa0/1 on switch A_SW will trust all CoS values on the frames coming from the IP phone.
B. The trunk port Fa0/1 on switch A_SW will trust all CoS values on the frames received on the IP phone.
C. The trunk port Fa0/1 on switch D_SW will trust all CoS values on the frames coming from port Fa0/1 on A_SW.
D. The trunk port Fa0/1 on switch D_SW will trust all CoS values on the frames received on the A_SW switch port Fa0/4.
E. The trunk port Fa0/1 on switch D_SW will trust all CoS values on the frames received on the IP phone port.
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 91
Why should iBGP sessions be fully meshed within a Transit AS?
A. BGP requires redundant TCP sessions between iBGP peers.
B. A full mesh allows for optimal routing within the Transit AS.
C. Routes learned via iBGP are never propagated to other eBGP peers.
D. Routes learned via iBGP are never propagated to other iBGP peers.
E. Routes learned via eBGP are never propagated to other iBGP peers.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 92
LAB
A.
B.
C.
D.
Correct Answer: Section: (none) Explanation
Explanation/Reference:
QUESTION 93
Refer to the exhibit. Why does the trust state of interface FastEthernet 0/3 show “not trusted”?
A. DSCP map needs to be configured for VOIP.
B. ToS has not been configured.
C. ToS has been misconfigured.
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Exam A
QUESTION 1
Which two statements about 6to4 tunneling are accurate? (Choose two.)
A. Prepending a reserved IPv6 code to the hexadecimal representation of 192.168.0.1 facilitates 6to4 tunneling.
B. Each 6to4 site receives a /48 prefix in a 6to4 tunnel.
C. 2002::/48 is the address range specifically assigned to 6to4.
D. Prepending 0x2002 with the IPv4 address creates an IPv6 address that is used in 6to4 tunneling.
E. 6to4 is a manual tunnel method.
Correct Answer: BD Section: (none) Explanation
Explanation/Reference:
QUESTION 2
Refer to the exhibit. IP multicast for group address 224.1.1.1 has been enabled on all routers in the network. Hosts on Network A receive the multicast traffic. However, hosts on Network B do not. On the basis of outputs provided, what could be the cause of the problem?
A. Router R2 does not have an RP configured on the multicast network.
B. Router R2 does not see the upstream router R1 as a PIM neighbor.
C. Because of RPF failure, Router R2 does not forward multicast packets to Network B.
D. The multicast packets are sourced from a server with an unspecified IP address.
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 3
LAB A.
B.
C.
D.
Correct Answer: Section: (none) Explanation
Explanation/Reference:
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QUESTION 4
Based on the show ip route isis output on R1, which statement is true?
A. The i su 10.1.0.0/23 route is an IS-IS external route.
B. The R1 IS-IS router is an ASBR.
C. The i su 10.1.0.0/23 route is a suppressed route.
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UESTION 1
When an IPv6 enabled host boots, it sends a router solicitation (RS) message.
An IPv6 router responds with a router advertisement (RA). Which two items are contained in the RA? (Choose two.)
A. IPv6 address for the host
B. lifetime of the prefix
C. prefixes for the link
D. keepalive timers
E. request for the local host IP address
F. any route advertisements it has received
Correct Answer: BC Section: (none) Explanation
Explanation/Reference:
QUESTION 2
Refer to the exhibit. Which switch interface configuration command would automatically configure quality of service (QoS) for voice over IP (VoIP) within a QoS domain?
A. auto qos voip cisco-phone
B. mls qos trust
C. switchport priority extend cos 7
D. switchport priority extend trust
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 3
In the use of 802.1X access control, which three protocols are allowed through the switch port before authentication takes place? (Choose three.)
A. STP
B. CDP
C. EAP MD5
D. TACACS+
E. EAP-over-LAN F. protocols not filtered by an ACL
Correct Answer: ABE Section: (none) Explanation
Explanation/Reference:
QUESTION 4
Which protocol specified by RFC 2281 provides network redundancy for IP networks, ensuring that user traffic immediately and transparently recovers from first-hop failures in network edge devices or access circuits?
A. STP
B. IRDP
C. ICMP
D. HSRP
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 5
Which two statements about the IS-IS routing protocol are true? (Choose two.)
A. In the IS-IS routing domain, routers may have adjacencies with other routers on multipoint links.
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Exam A QUESTION 1
Based on the exhibited command output, which two statements are true? (Choose two.)
A. The EIGRP network is stable.
B. The router at 10.1.1.3 has not replied to the R1 query packet.
C. The route to 172.19.0.0/16 is undergoing recomputation.
D. The route to 172.19.0.0/16 is stuck-in-active.
E. R1 has sent a query packet to 10.1.1.2.
Correct Answer: CE Section: (none) Explanation
Explanation/Reference:
QUESTION 2
Which two multicast IP addresses can be represented by the multicast MAC address 0100.5e0A.0A07? (Choose two.)
A. 228.10.10.7
B. 228.10.10.8
C. 228.10.138.7
D. 229.11.10.7
E. 229.138.10.7
F. 229.138.10.8
Correct Answer: AE Section: (none) Explanation
Explanation/Reference:
QUESTION 3
Which statement is true about EBGP?
A. An internal routing protocol can be used to reach an EBGP neighbor.
B. The next hop does not change when BGP updates are exchanged between EBGP neighbors.
C. A static route can be used to form an adjacency between neighbors.
D. EBGP requires a full mesh.
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 4
Which statement is true about 802.1x port-based authentication?
A. Hosts are required to have a 802.1x authentication client or utilize PPPoE.
B. Before transmitting data, an 802.1x host must determine the authorization state of the switch.
C. RADIUS is the only supported authentication server type.
D. TACACS+ is the only supported authentication server type.
E. If a host initiates the authentication process and does not receive a response, it assumes it is not authorized.
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 5
Which three statements are true about the Internet Group Management Protocol (IGMP)? (Choose three.)
A. IGMP is a multicast routing protocol that makes packet-forwarding decisions independent of other routing protocols such asEIGRP.
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