Networking Reviewer Flashcards
Reviewer
What media type is least susceptible to external interference including EMI and RFI?
Fiber Optic
On a wireless router, what is an SSID?
The broadcast ID
What is the reason to incorporation VLANs into a network?
To reduce the number of nodes in a broadcast domain
What are the two characteristics of VLANs
To compartmentalizes a network and isolates traffic.
VLANs act as though they are on the same LAN regardless of physical location.
The fiber network connection between Building A and Building B is 550 meters. There is attenuation on the
line. Which tool should you use to test this?
Optical Time-Domain Reflectometer (OTDR)
What network element uses a tunneling protocol to encapsulates data for transmission?
Virtual Private Network (VPN)
You are a network administrator at a small business. One morning at the start of business, you realize that no
employees at the company can access external websites. However, all employees have the same intranet connected
by a single router. You need to troubleshoot the problem. Which two actions should you complete? (Choose 2.)
Choice of answers:
A. Check the router for proper physical connectivity.
B. Check that each computer has a valid IP address.
C. Contact the internet service provider.
D. Check for bad network adapters on individual computers
A. Check the router for proper physical connectivity.
C. Contact the internet service provider.
A client-server network has centralized administration. (T or F)
A client-server network requires each computer to share its resources.
(T or F)
A client-server network requires users to have a user account on every computer they need to use. (T or F)
TFF
What is an advantage of dynamic routing?
It automatically maintains routing tables.
What are proprietary protocols?
Protocols developed by organizations who have control over their definition and operation.
What type of port supports VLAN traffic between two switches?
Trunk port
What is a justification for using ST cable instead of UT cable to wire a network expansion?
You are routing cables through an area with high external interference.
What are the two characteristics of mesh network topology?
Every node connects to every other node on the network.
It is fault tolerant because of redundant connections.
A computer is connected to a switch through a network patch panel by using copper cable. The computer is
getting lower-than expected data speeds. Which two actions should you perform to identify the issue? (Choose 2.)
Choice of answers:
A. Search for broken wires in the cable by using a cable tester.
B. Tone the line from Unit A to Unit B.
C. Use an optical time-domain reflectometer (OTDR) to test the line.
D. Test the data speed of the cable.
A .Search for broken wires in the cable by using a cable tester.
D. Test the data speed of the cable.
A Type 1 hypervisor runs directly on system hardware. (T or F)
A Type 2 hypervisor runs directly on system hardware. (T or F)
A Type 1 hypervisor is also known as a bare-metal hypervisor. (T or F)
TFT
You ping a server by using the fully qualified domain name (FQDN) and do not receive a response. You then ping
the same server by using its IP address and receive a response Why do you receive a response on the second
attempt but not on the first attempt?
Choice of answers:
A. The DHCP server is offline.
B. The DNS is not resolving.
C. NSLOOKUP is stopped.
D. PING is improperly configured.
B. The DNS is not resolving
What is a VPN?
Choice of answers:
A. A virtual network within your local area network (LAN)
B. A personal network for your use only
C. A communication tunnel between VLANs
D. A secure private connection over a public network
D. A secure private connection over a public network
CompanyPro plans to migrate several servers to cloud based virtual machines. You need to identify the
administrative responsibilities that will be reduced after the planned migration. Which two responsibilities will be
reduced? (Choose 2).
Choice of answers:
A. Managing permissions to shared documents.
B. Updating server operating systems.
C. Backing up application data.
D. Replacing failed server hardware.
E. Managing physical server security.
B. Updating server operating systems.
D. Replacing failed server hardware
What routing option is fault tolerant?
Dynamic Routing
Your home computer is having problems accessing the internet. You suspect that your internet router’s DHCP
service is not functioning, so you check your computer’s IP address. Which address indicates that your router’s
DHCP service is NOT functioning?
169.254.1.15
Which physical network topology provides fault-tolerant communication by providing redundant communication paths?
Mesh Network Topology
What is the primary purpose of a perimeter network?
Choice of answers:
A. To act as a secure location for deploying highly sensitive
network servers
B. To monitor traffic between routed subnets in a private LAN
C. To provide a buffer area between a private intranet and the
public internet
D. To act as a hidden location in which to deploy network clients
C. To provide a buffer area between a private intranet and the public internet
How is a router’s static routing table updated?
Choice of answers:
How is a router’s static routing table updated?
A. Through direct action by the network administrator
B. With updates from the physically nearest routers
C. By monitoring adjacent subnets
D. From the RIP protocol after resetting the router
A. Through direct action by the network administrator
What happens when a client’s DHCP-issues address expires?
Choice of answers:
A. The client disconnects from the network
B. The client attempts to renew its lease on the address.
C. The client continues to use the address until it is notified to stop.
D. The client generates a new address valid to the subnet and
requests approval from the DHCP server.
B. The client attempts to renew its lease on the address.
