[多项选择]What are two characteristics of RIPv2?（）
A. classful routing protocol
B. variable-length subnet masks
C. broadcast addressing
D. manual route summarization
E. uses SPF algorithm to compute path

[多项选择]What are two characteristics of RIPv2?（）
A. classful routing protocol
B. variable-length subnet masks
C. broadcast addressing
D. manual route summarization
E. uses SPF algorithm to compute path

[多项选择]What are two characteristics of Telnet (Choose two.)（）。
A. Itsendsdataincleartextformat.
B. ItisnolongersupportedonCisconetworkdevices.
C. ItismoresecurethanSSH
D. Itrequiresanenterpriselicenseinordertobeimplemented.
E. ItrequiresthatthedestinationdevicebeconfiguredtosupportTelnetconnections.

[多项选择]What are two characteristics of the relationship between the Cisco PIN architecture and Cisco Validated Designs? （）(Choose two.)
A. Cisco is focusing on Cisco Validated Designs as a means to driving integrated networks.
B. Cisco is focusing on the PIN architecture as a means to driving integrated networks.
C. The Cisco PIN architecture is a critical mechanism for supporting integrated markets because it can be implemented quickly.
D. The Cisco Validated Designs program provides critical mechanisms for supporting integrated markets because the mechanisms can be implemented quickly.
E. Cisco Validated Designs can be implemented quickly without customer input.

[多项选择]What are two characteristics of the Cisco Validated Design program?（） (Choose two.)
A. facilitates customer deployments that are less reliable
B. facilitates customer deployments that are more predictable
C. separates products and technologies into individual portfolios
D. incorporates products and technologies into a broad portfol
E. strives to protect access to design documentation

[多项选择]What are two characteristics of the RED algorithm as implemented in JUNOS software?（）
A. It profiles based on bandwidth.
B. It profiles based on loss priority.
C. It prevents traffic loss through buffering.
D. It prevents global synchronization with tail drops.

[多项选择]What are two characteristics of multi-field classification?（）
A. implemented with firewall filters
B. typically configured on core routers
C. typcially configured on customer facing routers
D. implemented with Behavior Aggregate (BA) classification

[多项选择]What are two characteristics of the OSPF process identifier?（）
A. It is needed to identify a unique instance of an OSPF database.
B. It is an optional parameter only necessary if multiple OSPF processes are used.
C. It is locally significant.
D. It is globally insignificant
E. All routers in the same OSPF area must have the same process ID to exchange routing information.

[多项选择]What are two characteristics of dual-ring interconnect in SONET networks? （）(Choose two.)
A. It protects signals against node failures between rings.
B. It protects signals against node failure within a single ring.
C. It allows for traffic to be preempted when a ring switch occurs.
D. Traffic can be dropped and continued at interconnecting nodes.
E. It protects preemptible traffic from being dropped when a ring switch occurs.

[多项选择]What are two characteristics of "store and forward" switching?（）
A. Latency fluctuates regardless of frame size.
B. The switch receives the complete frame before beginning to forward it.
C. Latency through the switch varies with frame length.
D. The switch checks the destination address upon receipt of headers.

[多项选择]What are two characteristics of GSS?（）
A. It helps verify end-to-end path availability.
B. It provides traffic rerouting in case of disaster.
C. HSRP, GLBP, and VRRP can be clients of GSS.
D. BGP must be the routing protocol between the distributed data centers.
E. DNS responsiveness is improved by providing centralized domain management.

[多项选择]What are two characteristics of OER? （）
A. It can take on HSRP, VRRP, and GLBP as clients.
B. It provides automatic inbound route optimization.
C. Path selection may be based on delay, loss, or jitter.
D. The border router makes decisions about which outbound path to use.
E. Automatic load distribution is provided for multiple connections.

[多项选择]What are two characteristics of Frame Relay point-to-point subinterfaces?（）
A. They create split-horizon issues
B. They require a unique subnet within a routing domain
C. They emulate leased lines
D. They are ideal for full-mesh topologies
E. They require the use of NBMA options when using OSPF

[多项选择]What are two characteristics of a switch that is configured as a VTP client?（）
A. if a switch that is configured to operate in client mode cannot access a VTP server,then the switch reverts to transparent mode.
B. The local vlan configuration is updated only when an update that has a higher configuration revision number is received.
C. Vtp advertisements are not forwarded to neighboring switches that are configured in vtp transparent mode.
D. When switches in vtp client mode are rebooted,they send a vtp advertisement request to the vtp servers.
E. Vtp client is the default vtp mode
F. On switches that are configured to operate in client mode ,vlans can be created,deleted,or renamed locally

[多项选择]What are two characteristics of SLB router mode?（）
A. The design supports multiple server subnets.
B. An end-user sees the IP address of the real server.
C. SLB routes between the outside and inside subnets.
D. The source or destination MAC address is rewritten, but the IP addresses left alone.
E. SLB acts as a "bump in the wire" between servers and upstream firewall or Layer 3 devices.

[单项选择]以下哪些关于RIPV1和RIPV2的描述正确的？（）
A. RIPV1是无类路由，RIPV2使用VLSM
B. RIPV2是默认的，RIPV1必须配置
C. RIPV2可以识别子网，RIPV1是有类路由协议
D. RIPV1可以识别子网，RIPV2则是使用跳数和路径开销的综合值

[单项选择]将RIPv1升级到RIPv2的通常原因是什么？（）
A. RIPv2比 RIPv1占用更少的路由器内存
B. RIPv2可支持比RIPv1更大型（有更多路由器）的网络
C. RIPv2可支持不连续网络，但RIPv1并不支持
D. RIPv2支持无类路由，而RIPv1只支持有类路由