單項(xiàng)選擇題You are the network consultant from Cisco.com. Please point out the reason that STP required when VLANs do not span access layer switches.()

A. ensure a loop-free topology
B. protect against user-side loops
C. support business applications
D. risk of lost connectivity without STP


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題Acme Nutrition manufactures a wide variety of vitamin supplements. It has a single manufacturing facility with 3 regional warehouses and 16 district sales offices. Currently the manufacturing facility requires 210 IP addresses; each warehouse requires 51 IP addresses; each district sales office requires 11 IP addresses; and the IP WAN requires 38 IP addresses. if Acme Nutrition plans for 20 percent growth in facilities, how many Class C subnets will the district sales offices require?()

A. 19 (3 from the warehouse range and 16 from a separate Class C address)
B. 19 (3 from the warehouse block, 15 from a separate Class C block and 1 from the IP WAN block)
C. 20 (4 from the warehouse range,15 from a separate Class C block and 1 from the IP WAN block)
D. 16 (3 from the warehouse range and 13 from a separate Class C address)

4.單項(xiàng)選擇題The Cisco network-based virtual firewall service solution helps service providers to deliver costeffective, scalable, integrated security services for enterprise customers using Cisco platforms .What is a virtual firewall?()

A. another name for a firewall deployed in routed mode
B. another name for a firewall deployed in transparent mode
C. a separation of multiple firewall security contexts on a single firewall
D. a firewall that, when deployed in routed mode, can support up to 1000 VLANs per context

5.單項(xiàng)選擇題Which protocol would provide block access to remote storage over WAN links?()

A.iSCSI
B.FCIP
C.SCSI-FP
D.eSCSI

最新試題

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

題型: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

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 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

Which three of these are important when determining NAS Server scaling? ()

題型:多項(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?()

題型:單項(xiàng)選擇題

As an experienced technician, you are responsible for Technical Support. Which of the following descriptions is correct about the characteristic of SLB one arm mode?()

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

題型:單項(xiàng)選擇題