9 05 2014

QUESTION 1
What are two features of a bridge? (Choose two.)

A.    reliable transmission
B.    operate at OSI Layer 2
C.    operate at OSI Layer 3
D.    create multiple broadcast domains
E.    create multiple collision domains
F.    flood input packets to all ports
G.    drop IP packets with invalid destination ports

Answer: BE

QUESTION 2
What are three reasons that switches supersede bridges? (Choose three.)

A.    Smaller frame buffers decrease latency.
B.    Forward, filter, or flood frames.
C.    Multiple simultaneous communications between ports.
D.    Larger inspection engine allows for higher throughput.
E.    Switches have many ports.

Answer: BCE

QUESTION 3
What action does a switch take if the destination MAC address is unknown?

A.    discard frame
B.    send ICMP unreachable message to source
C.    flood packet on all ports
D.    compare destination IP address against an ACL to determine if it is permitted
E.    send gratuitous ARP on all ports and wait for reply before forwarding

Answer: C

QUESTION 4
Which statement describes the purpose of the MAC address forwarding table of a switch?

A.    The switch consults the forwarding table to determine the best route to a destination.
B.    The switch consults the forwarding table to determine the output port.
C.    The switch consults the forwarding table to determine if the packet is routable.
D.    The switch consults the forwarding table to determine if access control permits the packet.

Answer: B

QUESTION 5
What are two attributes of a VLAN? (Choose two.)

A.    A VLAN defines a collision domain.
B.    A VLAN defines a broadcast domain.
C.    Broadcasts are flooded to all VLANs.
D.    Collisions are flooded to all VLANs.
E.    A Layer 3 device is required to route packets between VLANs.
F.    A Layer 2 device is required to route packets between VLANs.

Answer: BE

QUESTION 6
Which four statements indicate unique properties of VLAN 1 on Cisco Nexus switches? (Choose four.)

A.    VLAN 1 is used to flood multicast traffic.
B.    VLAN 1 cannot be deleted.
C.    VLAN 1 is used for Cisco Discovery Protocol.
D.    VLAN 1 is used for VTP advertisements.
E.    VLAN 1 defines a collision domain.
F.    VLAN 1 defines a broadcast domain.

Answer: BCDF

QUESTION 7
Which command displays the Trunking Native Mode VLAN on port Ethernet 1/18?

A.    show running-config switchport e1/18
B.    show running-config e1/18 switchport
C.    show interface e1/18
D.    show interface e1/18 switchport
E.    show interface e1/18 native

Answer: D

QUESTION 8
Which VTP mode disallows the creation of local VLANs?

A.    transparent
B.    tunneling
C.    server
D.    client
E.    off
F.    native

Answer: D

QUESTION 9
Which three statements are true concerning RFC 1918 IP addresses? (Choose three.)

A.    They are globally routable.
B.    They are not globally routable.
C.    They must not be filtered at Internet border interfaces.
D.    They should be filtered at Internet border interfaces.
E.    They include 10.0.0.0/8, 172.16.0.0/16, and 192.168.1.0/24.
F.    They include 10.0.0.0/8, 172.16.0.0/21, and 192.168.0.0/16.

Answer: BDF

QUESTION 10
Which two statements describe the purpose of RFC 1918? (Choose two.)

A.    Establish a range of IP addresses that are dedicated to the growing use of multicast video.
B.    Establish a range of IP addresses that are dedicated to the growing use of peer-to-peer file-sharing applications.
C.    Establish a range of IP addresses that are dedicated to use on internal networks.
D.    Establish a range of IP addresses to address the shrinking pool of globally routable addresses.
E.    Delay the transition to IPv6.

Answer: CD

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