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Introducing Cisco Data Center Networking

Question No: 141

Refer to the exhibit. Both Cisco Nexus 5596UP Switches have one Layer 3 card installed each. Which two additional options are available? (Choose two.)

1. Eight additional Cisco Nexus 2000 switches can be connected in the same manner.

2. Sixteen additional Cisco Nexus 2000 switches can be connected eight individually to each 5596.

3. One additional Layer 3 expansion module can be installed in each 5596 to increase the Layer 3 forwarding capability.

4. FEX ports can be configured as router ports, extending Layer 3 redundancy to top of rack.

5. FEX ports can be configured for FCoE, reducing cabling footprint.

6. Sixteen additional Cisco Nexus 2000 switches can be connected in the same manner.

Answer: A,B

Question No: 142

Which situation will cause a switch to flood traffic out all of the ports on the switch?

1. The switch receives a destination MAC address of 0000.0000.0000.

2. The switch receives a destination MAC of ffff.ffff.ffff.

3. The switch receives a source MAC address of 0000.0000.0000.

4. The switch#39;s TCAM reaches the MAC address limit.

5. The switch was configured in cut-through mode.

Answer: B

Question No: 143

A network engineer notices that the MAC address table on a network switch is full. What type of Layer 2 network behavior will occur while the network MAC address table remains full?

1. All frames generated within the Layer 2 domain will be flooded, regardless of the destination or the existence of a MAC address in the table.

2. All frames generated within the Layer 2 domain will be flooded unless the destination is contained within the MAC address table.

3. The switch will reset the MAC address table, removing all existing learned MAC addresses.

4. The switch will automatically reduce the aging time of the MAC address table.

Answer: B

Question No: 144

What are three modular Layer 2 processes in Cisco Nexus Operating System? (Choose three.)

1. UDLD

2. PIM

3. HSRP

4. STP

5. Cisco Discovery Protocol

6. OSPF

Answer: A,D,E Explanation:

quot;PIM is IP routing protocol-independent and can leverage whichever unicast routing protocols are used to populate the unicast routing table, including Enhanced Interior Gateway Routing Protocol (EIGRP), Open Shortest Path First (OSPF), Border Gateway Protocol (BGP), and static routes. PIM uses this unicast routing information to perform the multicast forwarding function. Although PIM is called a multicast routing protocol, it actually uses the unicast routing table to perform the RPF check function instead of building up a completely independent multicast routing table. Unlike other routing protocols, PIM does

not send and receive routing updates between routers.quot; http://www.cisco.com/en/US/docs/ios/solutions_docs/ip_multicast/White_papers/mcst_ovr. html#wp1009068

quot;Hot Standby Router Protocol (HSRP) is a Cisco proprietary redundancy protocol for establishing a faulttolerant

default gateway.

鈥n the configuration procedures, the specified interface must be a Layer 3 interface:quot; http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_55_se/c onfiguration/guide/

swhsrp.html

OSPF (Open Shortest Path First) – routing protocol.

Question No: 145

Which two network topologies are the most popular in switching? (Choose two.)

1. Bus

2. Token passing bus

3. Star

4. Extended star

5. Ring

Answer: C,D Explanation:

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

Question No: 146

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

1. Repeater

2. Bridge

3. Switch

4. Router

5. Hub

Answer: B,C Explanation:

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

Question No: 147

Refer to the exhibit.

Which two statements describe two characteristics of this design? (Choose two.)

1. A single cable failure will not bring down the entire network.

2. The network is a physical point-to-multipoint topology.

3. The network is a physical mesh topology.

4. A single cable failure will bring down the entire network.

5. The network is a physical tree topology.

Answer: A,B

Question No: 148

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

1. show running-config switchport e1/18

2. show running-config e1/18 switchport

3. show interface e1/18

4. show interface e1/18 switchport

5. show interface e1/18 native

Answer: D Explanation:

NX# show interface e1/18 switchport Access Mode VLAN: 1 (default) Trunking Native Mode VLAN: 1 (default) Trunking VLANs Allowed: 1-4094

Voice VLAN: none

Question No: 149

If a Nexus switch receives a frame and does not have an entry in its MAC table for the source, which action will take place?

1. The frame will be dropped.

2. The frame will be flooded.

3. The sender will be notified.

4. The source address will be learned.

Answer: D

Question No: 150

Which two options are groups of network protocols that are categorized into the following OSI layers: application, data link, network, and transport? (Choose two.)

1. FTP, LLDP, GRE, BGP

2. RDP, CDP, EIGRP, UDP

3. SSH, LLDP, ICMP, TCP

4. Telnet, ICMP, EIGRP, FTP

Answer: B,C

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