Which three statements are true about Source Specific Multic

第1题：

Which three statements are true about the data traffic characteristics of voice traffic？ （）

• A、latency must be kept below 150 ms
• B、latency is not a concern as long as jitter is kept below 30 ms
• C、voice packets do not require a specific type of queuing
• D、voice packets are rather small
• E、voice packets require TCP for rapid retransmission of dropped packets
• F、voice packets require a fairly constant bandwidth reserved for voice control traffic as well as forthe voice payload

第2题：

Which three statements about OSPF areas are true?（）

• A、Areas introduce a boundary on the link - state updates.
• B、Areas are  logical definitions specific to any given router.
• C、All routers within an area have the exact link - state database.
• D、The calculation of the Dijkstra algorithm on a router is limited to changes within an area.
• E、The area designated router will always  have a priority of 0.

第3题：

第4题：

Which three statements are true about terms in a policy?（）

• A、The order of the terms in a policy is irrelevant.
• B、The action is specified in a then statement.
• C、Terms are optional in a policy.
• D、The match condition can be identified with a from statement.
• E、A from statement is mandatory in a term.

第5题：

Which three statements about Label-Switched Paths （LSPs） are true？ （）

• A、 LSPs are bidirectional.
• B、 LSPs are unidirectional.
• C、 LSPs can be signaled by CAC.
• D、 LSPs can be configured explicitly.
• E、 LSPs can be configured dynamically.

第6题：

Which three statements about bidirectional PIM are true？（）

• A、Traffic for a bidirectional group flows along the one shared tree and simultaneously utilizes multiple paths in a redundant network topology
• B、It does not require any traffic signaling in the protocol
• C、Membership to a bidirectional group is signaled using explicit Join messages
• D、It maintains source-specific forwarding state
• E、It reduces memory， bandwidth， and CPU requirements

第7题：

Which of these statements is true about ssids configured in cisco adu？（）

• A、ssids are not case-sensitive.
• B、ssids must be listed in the same order in the adu as they are in the access point.
• C、a maximum of three ssids may be configured.
• D、ssids may have a maximum of 16 characters.

第8题：

第9题：

Which three statements are true about terms in a policy?（）

• A、The order of the terms in a policy is irrelevant
• B、The action is specified in a then statement
• C、Ters are optional in a policy
• D、The match condition can be identified with a from statement
• E、Every policy must contain at least one term

第10题：

Which three statements are true about EIGRP operation?（）

• A、When summarization is configured, the router will also create a route to null 0.
• B、The summary route remains in the route table, even if there are no more specific routes to the network.
• C、Summarization is configured on a per- interface level.
• D、The maximum metric for the specific routes is used as the metric for the summary route.
• E、Automatic summarization across major network boundaries  is enabled by default.