A web server administrator has changed the domain registrar's A record for the company's website. External users can reach the website, but internal users are unable to do so. The web server is accessible by typing the internal IP into a web browser. Which of the following is the reason why the web server cannot be accessed?
A. The NAT has not been configured to point to an internal resource.
B. An egress firewall rule is blocking access to the web server.
C. The IDS has determined it is a rogue web server.
D. The corporate DNS server has not been updated.
A switch is being configured for installation into a new building. The network design is such that the only DHCP server resides in the datacenter. A traditional three-layer network hierarchy is being used, and all buildings have a Layer 3 connection back to the core. Which of the following should the technician configure to get DHCP working properly in the new building?
A. The SMTP relays in the datacenter
B. The MAC address reservations
C. The IP helper address on the switch
D. The ARP forwarding on the switch
A network administrator is deploying a new switch in an existing IDF. The current switch has only copper Ethernet ports available to use for the trunk ports. Which of the following cable types should the network administrator deploy?
A. Straight-through
B. Console
C. Rollover
D. Crossover
Which of the following should a network administrator deploy to control all preventive security measures?
A. UTM
B. Firewall
C. IDS
D. Proxy
Which of the following steps is a network technician MOST likely to take to secure a new network printer? (Choose two.)
A. Change the default credentials.
B. Disable unnecessary services.
C. Secure the physical access.
D. Generate new encryption keys.
E. Enable HTTPS access.
F. Turn on WPS.
Which of the following components acts as an intermediary device between the internal user's PC and external web servers to provide caching services that save on Internet bandwidth resources?
A. Firewall
B. Proxy server
C. IDS
D. Load balancer
A network technician is installing a wireless solution. The solution needs to support new and legacy wireless network clients at the maximum possible speed. Which of the following wireless standards should the technician install?
A. 802.11a
B. 802.11ac
C. 802.11b
D. 802.11g
E. 802.11n
A network technician needs to create separate networks for several classrooms and administrative offices. They have been provided with the network address 192.168.1.0/24. They will need five classrooms of 25 hosts, two classrooms of 14 hosts, six admin hosts on the network, and three subnets for router connections. Which of the following IP concepts would need to be deployed?
A. VLSM
B. Class B private network
C. EUI-64
D. IPv6
A corporation has been the target of hackers who exploited TCP port 80. The network administrator is tasked with securing connections to the web server. Which of the following protocols should be implemented to BEST secure the web server? (Choose two.)
A. HTTPS
B. SSH
C. TLS
D. VNC
E. RDP
F. SFTP
Which of the following allows for file-level network storage?
A. SAN
B. iSCSI
C. FCoE
D. NAS
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