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QUESTION NO:21

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: B,D,F

Explanation:

“The Internet Assigned Numbers Authority (IANA) has reserved thefollowing three blocks of the IP address space for private internets:

10.0.0.0 – 10.255.255.255 (10/8 prefix)

172.16.0.0 – 172.31.255.255 (172.16/12 prefix)

192.168.0.0 – 192.168.255.255 (192.168/16 prefix)” http://tools.ietf.org/html/rfc1918

QUESTION NO:24

Which two options describe services that are provided by TCP? (Choose two.)

A. session multiplexing

B. EtherTypes identify destination services

C. connection-oriented

D. best-effort packet delivery

E. binary translation

Answer: A,C

Explanation:

“TCP is a connection-oriented protocol.” http://www.diffen.com/difference/TCP_vs_UDP

QUESTION NO:34

What does RIPv1 send to its neighbors?

A. Information about changed routes

B. Information about new routes

C. The entire routing table

D. Information about deleted routes

Answer: C

Explanation:

“On receiving the Routing table, the router processes each entry of the routing table as per the following rules” http://en.wikipedia.org/wiki/Routing_Information_Protocol

QUESTION NO:16

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 NO:7

Which layer of the OSI model is associated with the reliable transmission of datagrams?

A. Datagram

B. Routing

C. Network

D. Data link

E. Transport

F. Transmission

G. Session

Answer: E

Explanation:

http://en.wikipedia.org/wiki/Transport_layer

QUESTION NO:36

Which statement correctly describes an SVI?

A. An SVI is a Layer 2 interface and uses a dynamic MAC address.

B. An SVI cannot have an IP address assigned to it.

C. An SVI provides Layer 3 routing between VLANs.

D. Each switch port requires an SVI assignment.

Answer: C

Explanation:

http://en.wikipedia.org/wiki/Switch_virtual_interface

QUESTION NO:17

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: B,E

Explanation:

“In computer networking, a single layer-2 network may be partitioned to create multiple distinct broadcastdomains, which are mutually isolated so that packets can only pass between them via one or more routers;such a domain is referred to as a virtual local area network, virtual LAN or VLAN.” “A router (Layer 3 device) serves as the backbone for network traffic going across different VLANs.” http://en.wikipedia.org/wiki/Virtual_LAN

QUESTION NO:2

Which two networking devices forward data based on destination MAC address? (Choose two.)

A. Repeater

B. Bridge

C. Switch

D. Router

E. Hub

Answer: B,C

Explanation:

http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9670/white_paper_c11-465436.html

QUESTION NO:12

Which field in an Ethernet II frame performs the same function as the DSAP field in an

802.3 Ethernet frame?

A. Start of frame

B. EtherType

C. Frame check sequence

D. Subnetwork Access Protocol

E. Logical Link Control

Answer: B

QUESTION NO:5

At which layer of the OSI model does TCP operate?

A. 1

B. 2

C. 3

D. 4

E. 5

Answer: D Explanation:

http://en.wikipedia.org/wiki/OSI_model

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