A technician is responsible for configuring a new firewall. The hardware team has already installed, powered, and connected the system. Which of the following types of documentation should the technician utilize to complete the task?
A. Rack diagram
B. IDF/MDF documentation
C. Network performance baseline
D. Logical and physical diagrams
A network engineer planning for wireless connectivity in large office building. Currently, the office building contains both legacy and newer devices. Which of the following wireless network routers should engineer select for the fastest throughput for all wireless devices in the office building?
A. 802.11ac
B. 802.11b
C. 802.11g
D. 802.11n
A firewall log reports unencrypted console commands coming in on the WAN interface on the router. Inspection, port 23 is found to be ....router. Which of the following should be done to the router?
A. Block all traffic coming in on that interface.
B. Use Base64 to obfuscate the console traffic.
C. Implement a pki to authenticate clients.
D. Disable the Telnet service on the device.
Which of the following is networking stand-alone hardware that will permit any WIFI-compliant to connect to a wired network?
A. Wireless hub
B. Wireless firewall
C. Wireless access point
D. Wireless bridge
A technician is replacing a failed SOHO router for a customer who has an existing, cable modern, and static IP address. The user has a web server that faces the Internet so users can visit and leave comments. Which of the following BEST describes the correct configuration for this customer's requirements?
A. The modern is placed in bridge mode, the router is placed behind the modern, and the web server is placed behind the router.
B. The router is place in bridge in mode, the modern is placed behind the router, and the web server ids placed behind the modern.
C. the web server is placed in bridge mode, the router is placed behind the server, and the modern is placed behind the router.
D. The switch is placed in bridge mode, the modern is placed behind the switch, and the router is placed behind the modern.
A network technician receives a call branch office about problem with its wireless connectivity. The user states the office is hosting a ....metting that includes some online training with local businesses. The guest users have all brought devices to connect to the guest network at ....Branch office. All users sre connected to a single WAP and are reporting that connections keep drooping and network speeds are unusable. Which of the following is the MOST likely cause of this issue?
A. DHCP exhaustion
B. Channel overlapping
C. interference
D. Overcapacity
A server in a LAN was configured to act as a gateway between all company computers and an external network. Which of the following network devices offers the ability to increase both performance and security?
A. Load balancer
B. IDS
C. Proxy server
D. Wireless controller
A network technician has recently installed new VoiP phones at all employees' desks to support a new SIP cloud solution. However, the technician is unable to make a call from the device after testing. Which of the following should the technician verify?
A. TCP 433 is allowed.
B. UDP 1720 is allowed.
C. UDP 50860 is allowed.
D. UDP 5061 is allowed.
E. TCP 8080 is allowed.
F. TCP 8181 is allowed.
A network technician notices the site-to site VPN and internet connection have back up at a branch office' after a recent power outage. Which of the following is an out-of-band method the technician the would MOST likely utilize to check the branch office's router status?
A. Use a modern to console into router.
B. Walk to the branch troubleshooting the connection.
C. Travel to the branch office.
D. Hire a contractor to go on-site.
A critical vulnerable is discovered on a network device. The vendor state it has already patched this vulnerable in its current release. Which of the following actions should an administrator take?
A. Change the default password.
B. Use a firewall in front of the device.
C. Update the firmware.
D. Upgrade the configuration.
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