多項(xiàng)選擇題

Refer to the exhibit. Which two statements are correct regarding the creation of a multicas tdistribution tree？ （）

A. Each router determines where to send the JOIN request.
B. The tree will be built based on the IP address of the E2 interface on router E
C. The best path to the source will be discovered in the unicast routing table on router B
D. The best path to the source will be discovered in the unicast routing table on router C
E. The best path to the source will be discovered in the unicast routing table on router E


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1.單項(xiàng)選擇題To which of these does IP multicast send packets？（）

A. a single host
B. a subset of hosts
C. all hosts sequentially
D. all hosts simultaneously

2.單項(xiàng)選擇題Which of these ports does syslog use to send messages to a syslog server？（）

A. TCP 502
B. TCP 514
C. TCP 520
D. UDP 502
E. UDP 514
F. UDP 520

3.單項(xiàng)選擇題Which of these is a benefit of ESM？（）

A. supports multiple MIBs
B. includes NetFlow， NBAR， and IP SLA software subsystems
C. includes NetFlow， syslog， and IP SLA software subsystems
D. includes a predefined framework for filtering and correlating messages
E. supports two logging processes so output can be sent in standard and ESM format

6.單項(xiàng)選擇題Your MPLS implementation is currently using internal backdoor links. What can you do to minimize the impact of having these links？（）

A. use BGP as the CE-PE routing protocol
B. use OSPF as the CE-PE routing protocol
C. use EIGRP as the CE-PE routing protocol
D. use the SP to redistribute routes as external routes for OSPF and EIGRP
E. use route redistribution at each location to ensure external routes are imported into the IGP

7.單項(xiàng)選擇題Which of these is true of a Layer 3 out-of-band NAS deployment？（）

A. The NAS acts as a gateway for all Layer 3 traffic.
B. Only the MAC address is used to identify the client device.
C. User traffic remains on the same VLAN for the duration of the connection.
D. After authentication and posture assessment， client traffic no longer passes through the NAS.

8.多項(xiàng)選擇題Which three of these are important when determining NAS Server scaling？ （）

A. interface bandwidth
B. rescan timer interval
C. total number of network devices
D. number of new user authentications per second
E. which operating system is loaded on the client
F. number of checks performed in a posture assessment

9.多項(xiàng)選擇題Which two of these are characteristics of Metro Ethernet？（）

A. class of service
B. bandwidth profiles
C. user-network interface
D. Ethernet LAN circuit attributes
E. Ethernet virtual circuit attributes

10.多項(xiàng)選擇題Which two of these Metro Internet services map to E-LAN services that are defined by the MEF？（）

A. Ethernet Private Line
B. Ethernet Wire Service
C. Ethernet Relay Service
D. Ethernet Multipoint Service
E. Ethernet Relay Multipoint Service