Which of the following statements regarding routed and routing protocols are true?()A. A routed protocol is assigned to an interface and determines the method of packet deliver.B. A routing protocol determines the path of a packet through a network.C. A r

第1题：

Which of the following statements is correct regarding PIM Sparse Mode operations？（）

• A、It does not support all underlying unicast routing protocols like GBP
• B、It supports shared trees only assuming all hosts want the multicast traffic
• C、Receivers are registered with RP by their first-hop router
• D、Receivers are joinedto the Shared Tree（rooted the rp ）by their local Designated Router（DR）
• E、From the RP，traffic flows down a Source Tree to each receiver

第2题：

Which of the following statements regarding routed and routing protocols are true?（）

• A、A routed protocol is assigned to an interface and determines the method of packet deliver.
• B、A routing protocol determines the path of a packet through a network.
• C、A routed protocol determines the path of a packet through a network.
• D、A routing protocol operates at the transport layer of the OSI model.
• E、A routed protocol updates the routing table of a router.

第3题：

Which three statements are true of dynamic routing protocols?（）

• A、They are scalable.
• B、They are Dijkstra based.
• C、They share network layer reach ability information among neighbors.
• D、They automate next hopdecisions.
• E、They are tolerant of configuration errors.

第4题：

Which statement is true, as relates to classful or classless routing?（）

• A、Automatic summarization at classful boundries can cause problems on discontinuous subnets
• B、EIGRP and OSPF are classful routing protocols and summarize routes by default
• C、RIPv1 and OSPF are classless routing protocols
• D、Classful routing protocols send the subnet mask in routing updates

第5题：

Which of the following statements describe the characteristic of link state routing protocols?（）

• A、The exchange of an advertisement is triggered by a change in the network.
• B、All routers exchange routing tables with each other in a multipoint network.
• C、Packets are routed based upon the shortest path to the destination.
• D、Paths are chosen depending on the cost efficiency factor.
• E、Every router in an OSPF area is capable of representing the entire network topology.
• F、Only the designated router in an OSPF area can represent the entire network topology.

第6题：

Which statement is true, as relates to classful or classless routing?（）

• A、RIPV1 and OSPF are classless routing protocols.
• B、Classful routing protocols send the subnet mask in routing updates.
• C、Automatic summarization at classful boundaries can cause problems on disc……
• D、EIGRP and OSPF are classful routing protocols and summarize routes by def……

第7题：

Which of the following statements are correct in regard to classless routing protocols?（）

• A、Discontiguous subnets are not allowed.
• B、Variable length subnet masks are allowed.
• C、RIP v1 is a classless routing protocol.
• D、IGRP supports classless routing within the same autonomous system.
• E、RIP v2 supports classless routing.

第8题：

Which of the following routing protocols is strictly a distance vector protocol?（）

• A、IS-IS
• B、BGP
• C、EIGRP
• D、OSPF

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第13题：

Part of the job as a network administrator is being able to make a distinction between routed protocols and routing protocols. Which of the following statements is true regarding them?（）

• A、A routing protocol is assigned to an interface and determines the method of packet delivery.
• B、A routed protocol is assigned to an interface and determines the method of packet delivery.
• C、A routing protocol determines the path of a packet through a network.
• D、A routed protocol determines the path of a packet through a network.
• E、A routing protocol operates at the transport layer of the OSI model.
• F、A routed protocol updates the routing table of a router.

第14题：

Which two of the following statements describe a routed switch port on a multilayer switch？（）

• A、Layer 2 switching and Layer 3 routing are mutually supported.
• B、The port will not be associated with any VLAN.
• C、The routed switch port supports VLAN subinterfaces.
• D、The routed switch port is used when a switch has only one port per VLAN or subnet.
• E、The routed switch port ensures that STP remains in the forwarding state.

第15题：

Which two statements are true regarding routing tables?（）

• A、The routing table is populated by the forwarding table.
• B、Devices running the Junos OS can accommodate multiple routing tables.
• C、Information learned from routing protocols is stored in the routing table.
• D、The primary routing table for IPv4 unicast routes is inet.4.

第16题：

Which two statements are true about the role of split horizon？（）

• A、It is a function used by routing protocols to install routes into routing table
• B、It is a function that prevents the advertising of routes over an interface that the router is usingto reach a route
• C、Its function is to help avoid routing loops.
• D、It is a redistribution technique used by routing protocols

第17题：

Which of the following statements are true regarding Layer 3 switches？（Choose all that apply.）（）

• A、A routed port does not run STP or DTP
• B、A routed port is considered to be in a down state if it is not operational at both Layer 1 andLayer 2
• C、An SVI is considered to be in a down state if it is not operational at both Layer 1 and Layer 2
• D、An SVI is considered to be in a down state only when none of the ports in the correspondingVLAN are active
• E、An SVI port does not run 5TP or DTP
• F、To create a trunk， an SVI can be logically divided into subinterfaces

第18题：

Which statements are true regarding classless routing protocols?（）

• A、The use of discontiguous subnets is not allowed
• B、The use of variable length subnet masks is permitted
• C、RIP v1 is a classless routing protocol
• D、IGRP supports classless routing within the same autonomous system
• E、RIP v2 supports classless routing

第19题：

The statements below compare and contrast link state and distance vector routing protocols. Which of these are true?（）

• A、Distance vector protocols send the entire routing table to directly connected neighbors.
• B、Distance vector protocols are responsible for sending updates to all networks listed in the routing table.
• C、Link state protocols are responsible for sending the entire routing table to the whole network.
• D、Link state protocols send updates regarding their own links status to all other routers on the network.

第20题：

Which of the following routing protocols uses AS-Path as one of the methods to build the routing table?（）

• A、OSPF
• B、IS-IS
• C、EIGRP
• D、BGP

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