單項選擇題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


最新試題

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

題型:單項選擇題

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:單項選擇題

Which two of these are advantages of placing the VPN device parallel to the firewall?()

題型:多項選擇題

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

題型:單項選擇題

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

題型:多項選擇題

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:單項選擇題

What amount of cell overlap ensures smooth roaming for wireless endpoints?()

題型:單項選擇題

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

題型:單項選擇題

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

題型:多項選擇題

In which tunnel-less VPN topology do group members register with a key server in order to receive the security association necessary to communicate with the group?()

題型:單項選擇題