BCMSN 题库收集

BCMSN Building Cisco Multilayer Switched Network

Question 1

In the Enterprise Composite Network Model;What are three of the funcitional areas? (Choose three)

A Enterprise Campus         
B Enterprise Edge           
C Service Provider Edge     
D Building Access
E Server Farm
F Campus Backbone
G Wiring Closet

Answer: A,B,C

Question 2

The Certkiller network is upgrading all switches to be layer 3 capable.What are
some of the advantages experienced with layer 3 switching (select all that apply)?

A High-performance packet switching
B Security
C Flow accouting
D Low latency
E Low per-port cost
F Quality of service
G Increased Scalability
H Hardware-based packet forwading

Answer:A,B,C,D,E,F,G,H

Question 3

Which statement correctly describes the extended system ID?

A It is 2-bit number of the MSTP instance.
B It is the VLAN identifier value and allows for 4096 BIDs to be uniquely identified.
C It is the bridge MAC address which is allocated from a pool of MAC address that
  a factory assigned.
D It is a hex number used to measure the preference of a bridge in the spanning-tree
  algorithm.
E None of the above

Answer:B

Question 4

A new Certkiller branch is being opened and you are contemplating the use of
Unshielded Twisted Pair (UTP) cable for this new office.What is the maximum
distance that can be used between two nodes on this UTP network?

A 100 meters
B 150 meters
C 100 feet
D 2 kilometers
E 300 meters
F None of the above

Answer: A

Question 5

A new Certkiller branch office is being installed and connected,with individual
stations and servers being plugged in to the LAN switch.What kind fo cable should
be used to connect a router,server,or individual workstation a switch?

A rollover cable
B crossover cable
C straight-through cable
D coax calbe

Answer:C

Question 6

Gigabit Ethernet switches are being installed throughbout the Certkiller network.
Which of the following cable types are appropriate for Gigabit Ethernet
applications?(Select two)

A Cat-3 UTP
B Cat-5 UTP
C RG-58 coax
D 50 micron MMF
E 62.5 mircon SMF

Answer:B,D

Question 7

You need to ensure full connectivity exists between all stations on the Certkiller
LAN.By what means could you provide a Layer 3 data path between two separate
VLANs?(choose two)

A A VLAN trunking
B An external router
C An internal processor
D VLAN capable bridge
E EtherChannel

Answer:B,C

Question 8

Which layer 3 switching method utilizes a forwading information base(FIB)?

A Route caching
B Demand-based switching
C Flow-based switching
D Topology-based switching

Answer: D

Question 9

New access layer switches are being installed in the 3-tiered Certkiller network.
Which of the attributes below correctly describe the characteristics of access layer
switches?(Choose all that apply).

A High port density to connect to end users.
B Robust Layer 3 routing throughput
C Inter-VLAN routing
D Low cost
E Security
F None of the above

Answer: A,D

Question 10

In an effort to reduce the number of broadcast traffic within the Certkiller network,
new Catalyst switches are being installed.Which of the following statements
correctly describe Layer 2 broadcast traffic?

A Layer 2 broadcast traffic is blocked by Layer 3 devices.
B A new packet is sent each time the client requests it.
C Each frame uses a special address for which only interested clients listen.
D It is the most efficient way to send data to a small group of clients
E Each packet is refreshed when requested.

Answer: A

Question 11

The Certkiller network is upgrading the network to use switches that are capable of
multilayer switching.Which statement below best describes the concept of
multilayer switching(MLS)?

A Switches that operate at the access,distribution, and cor layer at the design model.
B An OSI Layer 1 and 2 bridging technique.
C A technique to provide hardware switching of Layer 3 unicast packets.
D A flow-based Layer 3 packet routing methodology.

Answer: C

Question 12

Which two table types are CEF components?(select two)

A forwarding information base
B adjacency tables
C neighbor tables
D caching tables
E route tables

Answer:A,B

Question 13

In the Enterprise Composite Model,what are the four major modules of the
Campus functional area?(choose four)

A Campus Infrastructure
B Network Management
C Server Farm
D Edge Distribution(Enterprise Edge)
E Access Distribution
F Core Layer

Answer:B,C,D,F

Question 14

The Certkiller network is a large campus network.Which of the following layer are
typically found on this type of campus network?(Select all that apply)

A Access
B Frount
C Distribution
D Back
E Core

Answer:A,C,E

Question 15

You are troubleshooting a problem between two workstations (CK1 & CK2).
Workstation CK1 is unable to ping workstation CK2.They are both connected to
the same switch,the same VLAN,and to they're both in the same subnets.What
should you do to verify connectivity?(Select two)

A Verify that the router for the VLAN is operational.
B Check the speed and duplex settings.
C Check both devices for proper default gateway settings.
D Check to see if the MAC address are in the CAM table.

Answer:B,D

Question 16

The Certkiller LAN switches are being configured to spport the use of Dynamic
VLANs.Which of the following are true of dynamic VLAN membership?

A VLAN membership of a user always remains the same even when he/she is moved to
  another location.
B VLAN membership of a user always changes when he/she is moved to another
  location.
C Membership can be static or dynamic.
D Membership can be static only.
E None of the above.

Answer:A,C

Question 17

The Certkiller LAN switches are being configuration to support the use of Dynamic
VLANs.What should be considered when implementing a dynamic VLAN solution?

A Each switch port is assigned to a specific LVAN.
B Dynamic VLANs require a VLAN Membership Policy Server.
C Devices are in the same VLAN regardless of which port they attach to.
D Dynamic VLAN assignments are made through the command line interface.

Answer:B,C

Question 18

What is the preferred method of filtering bridged traffic within a VLAN?

A Ethernet maps
B Router ACLs
C VLAN access maps
D IP ACLs

Answer:C

Question 19

You are assigning VLANs to the ports of switch CK1.What VLAN number value is
an assigned the default vlan?

A VLAN 1003
B VLAN 1
C VLAN ON
D VLAN A
E VLAN 0

Answer:B

Question 20

The VLANs in switch CK1 are being modified.Which of the following are updated
in CK1 every time a VLAN is modified?

A Configuration revision number
B Configuration revision flag field
C Configuration revision reset switch
D Configuration revision database
E None of the above

Answer:A,D

 

Question 21

If you needed to transport traffic coming from multiple VLANs (connected between
switches), and you CTO was insistent on using an open standard,which portocol
would you use?

A 802.1lB
B spanning-tree
C 802.1Q
D ISL
E VTP
F Q.921

Answer: C

Question 22:

What is the method used to filter traffic being bridged within a VLAN?

A Ethernet maps
B Router ACLs
C VLAN maps
D IP ACLs

Answer: C

Question 23

Which of the following technologies would an Internet Service Provider use to
support overlapping coustomer VLAN ID's over transparent LAN services?

A 802.1Q trnneling
B ATM
C SDH
D IP Over Optical Networking
E ISL

Answer: A

Question 24

If you were to configure an ISL Ethernet trunk between two Cisco switches,named
CK1 and CK2,what would you have to include at the end of the link for the trunk to
operate correctly?

A An identical VTP mode.
B An identical speed/duplex.
C An identical trunk negotiation parameter.
D An identical trunk encapsulation parameter.

Answer: B,D

Question 25

DRAG DROP

Drag-and-drop the thechonlogy term on the left to the correct options column on the
right (not all of the options will be used.)

LANE-----------ATM
ISL------------encapsulation frames
802.1Q---------embedded VLAN tag
802.10---------fiber links,FDDI
VLAN
VMPS

Question 26

You are the network administratrator at Certkiller and switch CK1 is configured as
shown below:

Interface gigabiterent 0/1
Switchport mode trunk
Switchport trunk encapsulation dot1q
Switchport trunk native vlan 5

If untagged  frames are arriving on interface gigethernet 0/1 of CK1.which of the
following statement are correct?

A Untagged frames are automatically assumed to be in VLAN 5.
B Untagged frames are defaulted to VLAN traffic.
C Untagged frames are dropped because all packets are tagged when dot1q trunked.
D Untagged frames are determined on the other switch
E Untagged frames are not supported on 802.1Q trunks.

Answer:A

Question 27

If you were to set up  VLAN trunk over a Fast Ethernet link on switch CK1, which
trunk mode would you set the local port to on CK1 if you wanted it to respond to
requests from its link partner (CK2) and become a trunk?

A auto
B Negotiate
C Designate
D Nonegotiate

Answer: A

Question 28

Which of the following trunking modes are unable to request their ports to convert
their links into turnk links (select all that apply)

A Negotiate
B Designate
C Nonegotiate
D Auto
E Manual
F Off

Answer:C,D

Question 29:

ISL is being configured on a Certkiller switch.Which of the following choices are
true regarding the ISL protocol?(Select two)

A It can be used between Cisco and non-cisco switch devices.
B It calculates a new CRC field on top of the existing CRC filed.
C It adds 4 bytes of protcol-specific information to the original Ethernet frame.
D It adds 30 bytes of protocol-specific information to the original Ethernet frame.

Answer:B,D

Question 30:

You are the network administrator tasked with designing a switching solution for
the Certkiller network.Which of the following statements describing trunk links are
INCORRECT?(Select all that apply)

A The trunk link belongs to specific VLAN
B Multiple trunk links are used to connect multiple devices.
C A trunk link only support native VLAN.
D Trunk links use 802.10 to identify a VLAN.
E The native VLAN of the trunk link is the VLAN that the trunk uses if that link fails for
  any reason.
 
Answer:A,B,C,D