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Which of the following should the systems administrator select to meet this requirement?
A systems administrator needs to improve WiFi performance in a densely populated office tower and use the latest standard. There is a mix of devices that use 2.4 GHz and 5 GHz. Which of the following should the systems administrator select to meet this requirement?A . 802.11acB . 802.11axC ....
Which of the following DNS records works as an alias to another record?
Which of the following DNS records works as an alias to another record?A . AAAAB . CNAMEC . MXD . SOAView AnswerAnswer: B Explanation: The DNS record that works as an alias to another record is called CNAME (Canonical Name). CNAME records are used to create an alias for a...
Which of the following antenna types should the AP utilize?
A technician wants to install a WAP in the center of a room that provides service in a radius surrounding a radio. Which of the following antenna types should the AP utilize?A . OmniB . DirectionalC . YagiD . ParabolicView AnswerAnswer: A Explanation: An omni antenna should be used by...
Which of the following will the company MOST likely configure to improve performance for these applications?
Branch users are experiencing issues with videoconferencing. Which of the following will the company MOST likely configure to improve performance for these applications?A . Link Aggregation Control ProtocolB . Dynamic routingC . Quality of serviceD . Network load balancerE . Static IP addressesView AnswerAnswer: C Explanation: To improve performance for...
Which of the following is the LARGEST MTU for a standard Ethernet frame?
Which of the following is the LARGEST MTU for a standard Ethernet frame?A . 1452B . 1492C . 1500D . 2304View AnswerAnswer: C Explanation: The maximum transmission unit (MTU) is the largest size of a data packet that can be transmitted over a network. A standard Ethernet frame supports an...
Which of the following should a network technician do FIRST?
A user reports being unable to access network resources after making some changes in the office. Which of the following should a network technician do FIRST?A . Check the system’s IP addressB . Do a ping test against the serversC . Reseat the cables into the back of the PCD...
Which of the following would be MOST affected by this statistic?
A network engineer is investigating reports of poor network performance. Upon reviewing a report, the engineer finds that jitter at the office is greater than 10ms on the only WAN connection available. Which of the following would be MOST affected by this statistic?A . A VoIP sales call with a...
Which of the following tools should the technician use to troubleshoot the issue?
A technician receives feedback that some users are experiencing high amounts of jitter while using the wireless network. While troubleshooting the network, the technician uses the ping command with the IP address of the default gateway and verifies large variations in latency. The technician thinks the issue may be interference...
A technician is assisting a user who cannot connect to a network resource. The technician first checks for a link light.
A technician is assisting a user who cannot connect to a network resource. The technician first checks for a link light. According to troubleshooting methodology, this is an example of:A . using a bottom-to-top approach.B . establishing a plan of action.C . documenting a finding.D . questioning the obvious.View AnswerAnswer:...
Which of the following ports should be blocked when checking firewall configuration?
A network technician needs to ensure outside users are unable to telnet into any of the servers at the datacenter. Which of the following ports should be blocked when checking firewall configuration?A . 22B . 23C . 80D . 3389E . 8080View AnswerAnswer: B Explanation: Port 23 should be blocked...
