單項(xiàng)選擇題Cisco Express Forwarding (CEF) is mainly used to increase packet switching speed, reducing the overhead and delays introduced by other routing techniques, increasing overall performance.Which of the following concerning CEF is recommended by Cisco?()

A. Use default Layer 4 hash in core.
B. Use default Layer 3 hash in distribution.
C. Use default Layer 4 hash in distribution.
D. Use default Layer 3 hash in core and Layer 3 + Layer 4 hash in distribution layer.


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2.單項(xiàng)選擇題You are the Cisco Network Designer. Which of these is least important when determining how many users a NAS can support?()

A. bandwidth
B. number of plug-ins per scan
C. total number of network devices
D. number of checks in each posture assessment

3.單項(xiàng)選擇題

Please match the Cisco STP enahancement term to its definition.()
(1) BPDU guard
(2) PortFast
(3) BackboneFast
(4) Loop guard
(5) Root guard
(a) shuts down a port that receives a BPDU when enabled
(b) cuts convergence time by mas-age for indirect failure
(c) prevents the aliernate or root port from being designated in absence of BPDUs
(d )causes Layer 2 LAN interface access port to immediately enter the forwarding state
(e) helps prevent bridging loops due to jni-directional link failures on point-to-point links

A.(a)-(1);(b)-(2);(c)-(4);(d)-(5);(e)-(3)
B.(a)-(4);(b)-(3);(c)-(2);(d)-(5);(e)-(1)
C.(a)-(3);(b)-(2);(c)-(4);(d)-(5);(e)-(1)
D.(a)-(1);(b)-(3);(c)-(4);(d)-(2);(e)-(4)

4.單項(xiàng)選擇題You are the Cisco Network Designer . Which is not major scaling, sizing, and performance consideration for an IPsec design?()

A. connection speed
B. number of remote sites
C. features to be supported
D. types of devices at the remote site


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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:?jiǎn)雾?xiàng)選擇題

One of your customers wishes to use the NAS to perform DHCP functions and does not currently have a Layer 3 gateway in its production network. Which gateway mode is appropriate for this customer?()

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As an experienced technician, you are responsible for infrastructure design and global configuration changes. You are asked to deploy a Voice over Wireless LAN for your company. If the cells have the same channel, the separation between them should be:()

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As an experienced technician, you are responsible for Technical Support. A customer calls to ask the best signal level and noise level for cell phone. How to respond?()

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What will an Easy VPN hardware client require in order to insert its protected network address when it connects using network extension mode?()

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Which two of these are advantages of placing the VPN device in the DMZ on the firewall?()

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What is the term for a logical SAN which provides isolation among devices physically connected to the same fabric?()

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What is the recommended practice when considering VPN termination and firewall placement?()

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An organization hires a contractor who only needs access to email and a group calendar. They do not need administrator access to the computer. Which VPN model is the most appropriate?()

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In a VoWLAN deployment, what is the recommended separation between cells with the same channel?()

題型:?jiǎn)雾?xiàng)選擇題