5
10
12
20
第1题：
A.10
B.40
C.30
D.20
第2题：
What is the OSPF default frequency,in seconds,at which a cisco router sends hello packets on a multiaccess network?（）
第3题：
A. area ID
B. router ID
C. loopback address
D. IP address of interface on broadcast network
第4题：
You are about to design a very fast convergence time on a service provider network. Which feature wouldyou utilize to declare a link failure within less than two seconds of the fault on a link？（）
第5题：
For a given Ethernet network， the failure cycle is set to 5 seconds and the heartbeat rate is set to 2 seconds.Given these values， what is the failure detection time for the network （in seconds）？（）
第6题：
What are the default values for GRE tunnel keeplive time and number of retries？（）
第7题：
You work as a network technician at. Your boss， Mrs. ， is interested in the Spanning Tree Protocol timers. What can you tell her regarding the default STP timers？ （）
第8题：
A. Nothing. OSPF will determine the most optimal path for routing data by default.
B. Adjust the hello and dead timers for more rapid detection of link failures.
C. Increase the reference - bandw idth used to calculate the interface default metrics, on all routers in your network.
D. Set the priority values on every broadcast interface to ensure that the designated and backup designated routers are the routers with the most processor and memory resources.
第9题：
Companycom will be using Virtual IO Server to share Ethernet adapters. What can be done to prevent network failure of the client if a Virtual IO Server goes down?（）
第10题：
A customer is in the process of testing their configuration prior to going live. The administrator discovers thatPowerHA is taking 31 seconds to deal with a standard NIC failure. What can the administrator do to speed upthe process of NIC failure detection and diagnosis？（）