Comptia (N10-007) Exam Questions And Answers page 9
A network technician is installing and configuring a new router for the sales department. Once the task is complete, which of the following needs to be done to record the change the technician is making to the company network?
Network diagrams
Inventory report
Labeling report
Network Operations
A network technician has salvaged several Ethernet cables from a datacenter. The technician attempts to use the cables to connect desktops to the network without success. Which of the following is MOST likely the issue?
The cables have an incorrect pin-out.
The cables are UTP instead of STP.
The cables are Cat 6 instead of Cat 5.
The cables are not plenum rated.
Network Operations
Network Troubleshooting and Tools
An organization has migrated the internal network from a static IP addressing scheme to use DHCP. After fully deploying the DHCP solution, users within the web deployment team are unable to access the web server that is hosted in the DMZ. After reviewing the logs, the network technician sees multiple deny entries from the internal network to the DMZ. Which of the following is the MOST likely cause?
The DNS entries are incorrect for the web development team.
The server IP addresses in the DMZ have changed after migrating to DHCP.
The OSPF configuration was not updated to route the new dynamic address spaces.
The ACL does not accurately reflect current addresses for the web development team.
Network Security
A network administrator has signed up for service with a new ISP. The administrator was given the IP address of 172.17.10.254/30 to use on the external interface of the Internet-facing router. However, the network administrator cannot reach the Internet using that address. Which of the following is the MOST likely explanation?
The address provided by the ISP has a mask that is too small to be used and needs a larger mask.
The address provided by the ISP is a private IP address space and is not routable on the Internet.
The address provided by the ISP is the wrong one; they should be using 172.17.10.252/30.
The address provided by the ISP is part of the reserved loopback address space and cannot be used.
Network Operations
Network Security
Which of the following physical security devices is used to prevent unauthorized access into a datacenter?
Motion detector
Video camera
Asset tracking
Smart card reader
Network Security
A network technician is building a network for a small office. The office currently has cable TV and now requires access to the Internet without adding any cabling other than what is already in place. Which of the following solutions should the technician install to meet these requirements?
DOCSIS modem
Wireless router
DSL modem
Access point
Network Operations
Network Troubleshooting and Tools
A company has multiple site-to-site VPN connections using a pre-shared key. The Chief Information Security Officer (CISO) is concerned about the long-term security of the tunnels and has asked the network technicians to develop a plan to ensure the best security of the tunnels. Which of the following should the network technicians implement?
Purchase dedicated MPLS circuits between each of the sites.
Request a change of IP addresses from the ISP semiannually.
Perform annual key rotations on the site-to-site VPNs.
Terminate tunnels when they are not actively being used.
Network Security
A network technician is installing a new fiber-optic connection between two buildings on a campus network. When the network technician connects the fiber at the second location, the interface link light does not light up. Which of the following should the technician do NEXT?
Reverse the fiber pair.
Check the duplex on each interface.
Install a fiber distribution panel.
Configure a media converter for each switch.
Network Operations
Network Security
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?
The SMTP relays in the datacenter
The MAC address reservations
The IP helper address on the switch
The ARP forwarding on the switch
Infrastructure
Network Operations
A customer cannot access a company s secure website. The company s network security is reviewing the firewall for the server and finds the following output:
Which of the following changes should be made to allow all customers to access the company s secure website?
Which of the following changes should be made to allow all customers to access the company s secure website?
Allow any any 10.5.0.10 443
Allow any any 12.73.15.5 443
Allow 10.5.0.10 443 any any
Allow 10.5.0.10 any 10.5.0.10 80
Network Security
Comments