單項(xiàng)選擇題Which of these technologies is characterized as being a multipoint Layer 2 VPN that connects two or more customer devices using Ethernet bridging techniques?()

A.DPT
B.MPLS
C.VPLS
D.CWDM
E. DWDM
F. SONET/SDH


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1.多項(xiàng)選擇題Which two of these are characteristics of Metro Ethernet? ()

A. class of service
B. bandwidth profiles
C. user-network interface
D. Ethernet LAN circuit attributes
E. Ethernet virtual circuit attributes

2.多項(xiàng)選擇題Which two of these Metro Internet services map to E-LAN services that are defined by the MEF?()

A. Ethernet Private Line
B. Ethernet Wire Service
C. Ethernet Relay Service
D. Ethernet Multipoint Service
E. Ethernet Relay Multipoint Service

3.多項(xiàng)選擇題Which three of these Metro Ethernet services map to E-Line services that are defined by the MEF?()

A. Ethernet Private Line
B. Ethernet Wire Service
C. Ethernet Relay Service
D. Ethernet Multipoint Service
E. Ethernet Relay Multipoint Service

4.單項(xiàng)選擇題What is the recommended practice regarding UDLD when implementing it in all fiber-optic LAN ports?()

A. Adjust the default hello timers to three seconds for aggressive mode.
B. Enable it in global mode and on every interface you need to support.
C. Enable it in global mode to support every individual fiber-optic interface.
D. Enable it to create channels containing up to eight parallel links between switches.
E. Enable it in global mode to support every individual fiber optic and Ethernet interface.

5.多項(xiàng)選擇題Which two of these are recommended practices with trunks? ()

A. use ISL encapsulation
B. use 802.1q encapsulation
C. set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation
D. use VTP server mode to support dynamic propagation of VLAN information across the network
E. set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

6.單項(xiàng)選擇題Why is STP required when VLANs span access layer switches?()

A. to ensure a loop-free topology
B. to protect against user-side loops
C. in order to support business applications
D. because of the risk of lost connectivity without STP
E. for the most deterministic and highly available network topology

7.單項(xiàng)選擇題When is a first-hop redundancy protocol needed in the distribution layer?()

A. when HSRP is not supported by the design
B. when multiple vendor devices need to be supported
C. when preempt tuning of the default gateway is needed
D. when a robust method of backing up the default gateway is needed
E. when the design implements Layer 2 between the access switch and the distribution switch
F. when the design implements Layer 3 between the access switch and the distribution switch

8.單項(xiàng)選擇題Which of these recommended designs provides the highest availability?()

A. map the Layer 2 VLAN number to the Layer 3 subnet
B. control route propagation to edge switches using distribute lists
C. use a Layer 2 distribution interconnection link with HSRP or GLBP
D. use a Layer 3 distribution interconnection link with HSRP or GLBP
E. use equal-cost Layer 3 load balancing on all links to limit the scope of queries in EIGRP

9.單項(xiàng)選擇題Which of these is a correct description of SSO?()

A. It will only become active after a software failure.
B. It will only become active after a hardware failure.
C. It requires that Cisco NSF be enabled in order to work successfully.
D. It synchronizes the MAC, FIB, and adjacency tables between Active and Standby Route Processors.

10.單項(xiàng)選擇題Which of these statements is correct regarding SSO and Cisco NSF?()

A. Utilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds.
B. Utilizing SSO in Layer 3 environments can reduce outages to one to three seconds.
C. Distribution switches are single points of failure causing outages for the end devices.
D. Utilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than one second.
E. NSF and SSO with redundant supervisors have the most impact on outages at the access layer.

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During consultation, you find that a customer has only a single asset closet and is looking for a solution that is easy to deploy. Which NAS physical deployment model would you suggest to this customer?()

題型:單項(xiàng)選擇題

Please match the Cisco NAC appliance component to its description.()(1)Cisco NAS(2)Cisco NAA(3)Rule-set Lpdates(4)Cisco NAM(a) a centralized management point(b) an in-band cr out-of-band device for network access control(c) a Windows-based client which allows network access based on the tasks running(d) a status crecker for operating systems,antivirus,antispyware,etc.

題型:單項(xiàng)選擇題

In which NAS operating mode are ACL filtering and bandwidth throttling only provided during posture assessment?()

題型:單項(xiàng)選擇題

The Cisco NAC Appliance is able to check which three items before allowing network access?()

題型:多項(xiàng)選擇題

Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology?()

題型:單項(xiàng)選擇題

Which of these is true of a Layer 3 out-of-band NAS deployment?()

題型:單項(xiàng)選擇題

How many channels are defined in the IEEE 802.11b DSSS channel set?()

題型:單項(xiàng)選擇題

Client traffic is being bridged through LAN interfaces on two WLCs. Which roaming option will keep them on the same IP subnet?()

題型:單項(xiàng)選擇題

Which of these is a benefit of using Network Admission Control instead of Cisco Identity Based Networking Services?()

題型:單項(xiàng)選擇題

As an experienced technician, you are responsible for Technical Support. One of the trainees is asking your advice on VPN Termination Device and Firewall Placement. Which of the following approaches will you recommend?()

題型:單項(xiàng)選擇題