單項選擇題What is high availability?()

A. redundant infrastructure
B. clustering of computer systems
C. reduced MTBF
D. continuous operation of computing systems


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1.單項選擇題What is the purpose of IGMP in a multicast implementation?()

A. it is not used in multicast
B. it determines the virtual address group for a multicast destination
C. it dynamically registers individual hosts in a multicast group on a specific LAN
D. it is used on WAN connections to determine the maximum bandwidth of a connection
E. it determines whether Bidirectional PIM or PIM sparse mode will be used for a multicast flow

2.單項選擇題Which content networking device allows bandwidth configuration settings so that streaming content will not interfere with other network traffic?()

A. IP/TV Control Server
B. Content Distribution Manager
C. Content Engine
D. IP/TV Broadcast Server

3.多項選擇題You are the Cisco Network Designer in Cisco.com. Which two statements about Layer 3 access designs are correct?()

A. Convergence time is fractionally slower than STP.
B. Broadcast and fault domains are increased.
C. IP address space is difficult to manage.
D. Fast uplink convergence is supported for failover and fallback.

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Which signal and noise values will result in the best phone communication with an access point?()

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

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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.

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

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

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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?()

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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

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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?()

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Which technology allows centralized storage services to be shared across different VSANs?()

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