When dealing with high bandwidth applications such as VoIP and VTC, which of the following network performance optimization tools should be implemented to ensure BEST performance?
A. Fault tolerance
B. Load balancing
C. Caching engines
D. QoS
An IT manager is looking for a solution that can easily trace back suspicious Internet browsing to particular users at a company. Which of the following can BEST provide this functionality?
A. Layer 3 managed switch
B. VPN concentrator
C. Load balancer
D. Content filter
Which of the following devices acts as a gateway between clients and servers?
A. WINS server
B. Proxy server
C. Content filter
D. DNS server
A network administrator opens up the RDP port to access network resources from home. Several months later, the administrator's account is getting locked out constantly. After closing the port, which of the following should be used to identify the source of the attack?
A. Network maps
B. Change management
C. Log analysis
D. Protocol analyzer
The day network administrator is having problems on the network and realizes that the night administrator implemented a new device that is causing broadcast traffic. Which of the following should be implemented to avoid miscommunication between the administrators?
A. Asset management
B. System baselines
C. System logging
D. Change management
A network technician suspects that there is an issue with the routing table on a Windows-based server. Which of the following commands will enable the technician to validate this hypothesis?
A. route print
B. route
C. ipconfig
D. tracert
Which of the following network performance optimization methods allows for frequently accessed sites to be housed locally, thereby reducing bandwidth requirements?
A. Load balancing
B. Traffic policing
C. Caching engines
D. Traffic shaping
Which of the following requires congestion to occur before enabling traffic prioritization?
A. Quality of Service
B. IGMP snooping
C. Flow control
D. WAN optimization
An administrator has added QoS settings to the LAN switches prioritizing RTP.
Which of the following systems is the Administrator MOST concerned with in this scenario?
A. Phone communications
B. Web site downloads
C. Streaming video clients
D. Client bittorrent abilities
Which of the following can a technician use when a company implements redundant WAN links?
A. Content filter
B. Load balancer
C. Proxy server
D. VPN concentrator
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