Sample Questions:
The application server team reports that the SQL servers are NOT responding as they Normally do. You check the interfaces on the SQL servers and see that their bandwidth utilization is within normal limits. What is a likely cause for this SQL application performance disruption?
access list change
high latency
SNMP community string change
low interface discards
You notice that several routers are showing an increase in CPU and memory utilization that is starting to concern you. What will likely happen if this trend continues?
Latency through the routers will increase.
The network management system (NMS) will stop monitoring the routers.
Access control lists (ACLs) will be bypassed by the routers.
The routers will deprioritize and drop packets over 1500 bytes.
The application team at your company has informed you that they have deployed a new desktop application that communicates over a specific set of ports. What is the first step to determining the impact this application is having on your network?
check ping times of all of the servers
monitor the new application processes on the servers
reconfigure the SNMP agents to use the application ports
configure the NetFlow collector to monitor the application ports
You have a hub and spoke network with three sites. The application servers all located within the headquarters, which is the hub of the network. Users in spoke site A complain that they cannot get to the company's accounting server. Users in spoke site Bare not affected. Which two steps should you take in troubleshooting this issue? (Choose two.)
verify that user sat the headquarter scan reach the accounting server
verify that users in site A can access other resources outside of their site
verify that users in site B can access resources in the headquarters
verify that the accounting server is online
verify that the accounting server can access site A
You are using NetFlow to analyze the traffic on your network. You notice that you have a large amount of traffic originating from various systems in your network destined to a single unrecognized off-net IP address during otherwise off-peak hours. What is the most likely cause?
a new, popular YouTube video being sent around the office
a malware or virus breakout on your network
automated server backups occurring within your network
higher than average VoIP usage from your overseas sites
What is a potential root cause of a slow response time across a WAN circuit?
interface re-indexing on a WAN router
high disk queue length on the SQL server
database replication across the circuit
large database re-indexing
