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Which of the following TCP ports is used by the Windows OS for file sharing?
Which of the following TCP ports is used by the Windows OS for file sharing?A . 53 B. 389 C. 445 D. 1433View AnswerAnswer: C Explanation: TCP port 445 is used by the Windows OS for file sharing. It is also known as SMB (Server Message Block) or CIFS (Common...
Which of the following is the physical topology for an Ethernet LAN?
Which of the following is the physical topology for an Ethernet LAN?A . Bus B. Ring C. Mesh D. StarView AnswerAnswer: D Explanation: In a star topology, all devices on a network connect to a central hub or switch, which acts as a common connection point. Ethernet LANs typically use...
Which of the following methods should the engineer select?
Must be vendor neutral Which of the following methods should the engineer select?A . TWP-RC4 B. CCMP-AES C. EAP-TLS D. WPA2View AnswerAnswer: C Explanation: EAP-TLS is the method that should be selected to meet the requirements for designing a new secure wireless network. EAP-TLS (Extensible Authentication Protocol - Transport Layer...
Which of the following would MOST likely be used to review previous upgrades to a system?
Which of the following would MOST likely be used to review previous upgrades to a system?A . Business continuity plan B. Change management C. System life cycle D. Standard operating proceduresView AnswerAnswer: B Explanation: Change management is the process of reviewing previous upgrades to a system. It is a systematic...
Which of the following should the network engineer perform NEXT to ensure all the firewalls are hardened successfully?
A network engineer configured new firewalls with the correct configuration to be deployed to each remote branch. Unneeded services were disabled, and all firewall rules were applied successfully. Which of the following should the network engineer perform NEXT to ensure all the firewalls are hardened successfully?A . Ensure an implicit...
Which of the following steps will MOST likely determine the cause of the issue?
Wireless users are reporting intermittent internet connectivity. Connectivity is restored when the users disconnect and reconnect, utilizing the web authentication process each time. The network administrator can see the devices connected to the APs at all times. Which of the following steps will MOST likely determine the cause of the...
At which of the following layers of the OSI model will the administrator MOST likely start to troubleshoot?
A network is experiencing a number of CRC errors during normal network communication. At which of the following layers of the OSI model will the administrator MOST likely start to troubleshoot?A . Layer 1 B. Layer 2 C. Layer 3 D. Layer 4 E. Layer 5 F. Layer 6 G....
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 address B. Do a ping test against the servers C. Reseat the cables into the back of the PC...
Which of the following IEEE 802.11 standards would be BEST to use for multiple simultaneous client access?
A network administrator is installing a wireless network at a client’s office. Which of the following IEEE 802.11 standards would be BEST to use for multiple simultaneous client access?A . CDMA B. CSMA/CD C. CSMA/CA D. GSMView AnswerAnswer: C Explanation: CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) is an...
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...
