單項(xiàng)選擇題Which virtualization technology allows multiple physical devices to be combined into a singlelogical device？（）

A. device visualization
B. device clustering
C. server visualization
D. network visualization


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1.多項(xiàng)選擇題When designing the IP routing for the Enterprise Campus network， which of these following twoiBGB considerations should be taken into account？（）

A. iBGB dual horning with different iSPs puts the Enterprise at the risk of becoming a transitnetwork
B. iBGP requires a full mesh of eBGP peers
C. Routers will not advertise iBGP learned routers to other iBGP peers.
D. The use of route reflections or Confederation eliminate any full mesh requirement while helpingto scale iBGP
E. iGBP peers do not add any information to the AS path

3.多項(xiàng)選擇題Which two statements are correct regarding Flex Links？ （）

A. An interface can belong to multiple Flex Links.
B. Flex Links operate only over single pairs of links.
C. Flex Link pairs must be of the same interface type
D. Flex Links automatically disable STP so no BPDUs are propagated
E. Failover from active to standby on Flex Links takes less than a second

4.多項(xiàng)選擇題OSPF stub areas are an important tool for the Network designer； which of the following two shouldbe considered when utilizing OSPF stub areas？ （）

A. OSPF stub areas increase the size of the LSDB with the addition of Type 3 and 5 LSAs
B. OSPF not so stubby areas are particularly useful as a simpler form of summarization
C. OSPF stub areas are always insulated from external changes
D. OSPF totally stubby cannot distinguish among ABRs for the best route to destinationsoutsidethe areas
E. OSPF stub areas can distinguish among ASBRs for destinations that are external to the OSPFdomain

5.多項(xiàng)選擇題As a critical part of the design for the Enterprise Campus network， which of the following two aretrue concerning intrusion detection and prevention solution？ （）

A. IDS is capable of both inline and promiscuous monitoring， while IPS is only capable ofpromiscuous monitoring
B. IDS will stop malicious traffic from reaching its intended target for certain types of attacks.
C. IPS processes information on Layer 3 and 4 as well as analyzing the contents and payload ofthe packets for more sophisticated embedded attacks （Layers 3 to 7）
D. IPS inspects traffic statefully and needs to see both sides of the connection to function properly
E. IDS placement at the perimeter of Data Center outside the firewall generates many warningsthat have relatively low value because no action is likely to be taken on this information