單項選擇題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


您可能感興趣的試卷

你可能感興趣的試題

2.單項選擇題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
E.a firewall that has multiple contexts, all of which share the same policies (such as NAT and ACLs)

3.多項選擇題In which two locations in an enterprise network can an IPS sensor be placed?()

A.bridging VLANs on two switches
B.bridging two VLANs on one switch
C.between two Layer 2 devices with trunking
D.between two Layer 2 devices without trunking
E.between a Layer 2 device and a Layer 3 device with trunking

4.單項選擇題In base e-Commerce module designs, where should firewall perimeters be placed?()

A.core layer
B.Internet boundary
C.aggregation layer
D.aggregation and core layers
E.access and aggregation layers

5.多項選擇題Which two of these are characteristics of an IDS sensor?()

A.passively listens to network traffic
B.is an active device in the traffic path
C.has a permissive interface that is used to monitor networks
D.traffic arrives on one IDS interface and exits on another
E.has a promiscuous interface that is used to monitor the network

最新試題

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?()

題型:單項選擇題

You are the network consultant from pass4sure.com. One of your customer has six sites, three of which process a large amount of traffic among them. He plans to grow the number of sites in the future. Which is the most appropriate design topology?()

題型:單項選擇題

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

題型:單項選擇題

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

題型:單項選擇題

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?()

題型:單項選擇題

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

題型:單項選擇題

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

題型:單項選擇題

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

題型:單項選擇題

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

題型:單項選擇題

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

題型:單項選擇題