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WorksheetsNet 2 Certification
Total questions: 82
Worksheet time: 43mins
Which media type is least susceptible to external
interference including EMI and RFI?
Wireless
Fiber Optic
UTP
STP
Class A IP address
201.111.22.3
133.234.23.2
64.123.12.1
-224.100.20.3
On a wireless router, what is an SSID?
The default administrator account
The broadcast ID
The default communication protocol
A WAN encryption protocol
Class B IP address
64.123.12.1
133.234.23.2
201.111.22.3
224.100.20.3
Class C IP address
64.123.12.1
133.234.23.2
201.111.22.3
224.100.20.3
Class D IP address
64.123.12.1
133.234.23.2
201.111.22.3
224.100.20.3
What is a reason to incorporate VLANs into a
network?
To increase the number of available IP addresses.
To increase the number of available Media Access
Control (MAC) addresses.
To reduce the number of broadcast domains.
To reduce the number of nodes in a broadcast domain
What are two characteristics of VLANs? (Choose 2.)
A VLAN compartmentalizes a network and isolates traffic.
A single switch can service only a single VLAN.
VLANs act as though they are on the same LAN regardless
of physical location.
A VLAN can logically address packets by using IP.
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?
Time-domain reflectometer (DR)
Optical time-domain reflectometer (OTDR)
Toner
Multimeter
Which network element uses a tunneling protocol to
encapsulate data for transmission?
NAT
VLAN
Internet
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.)
Check the router for proper physical connectivity.
Check that each computer has a valid IP address.
Contact the internet service provider.
Check for bad network adapters on individual computers
A client-server network has centralized administration.
True
False
A client-server network requires each computer to share its resources.
True
False
A client-server network requires users to have a user account on every computer
they need to use.
True
False
What are proprietary protocols?
protocols developed by private organizations to operate on any
vendor hardware
protocols that can be freely used by any organization or vendor
protocols developed by organizations who have control over
their definition and operation.
a collection of protocols known as the TCP/IP protocol suite
What is an advantage of dynamic routing?
It automatically enables DHCP.
It limits traffic derived from routing protocols.
It reduces broadcast traffic.
It automatically maintains routing tables.
Which type of port supports VLAN traffic between
two switches?
Trunk port
LAN port
WAN port
Virtual port
What is a justification for using ST cable instead of
UT cable to wire a network expansion?
You need the cable to be as light and flexible as possible
You need to reduce attenuation.
You want to minimize the costs relating to the new installation.
You are routing cables through an area with high external
interference.
What are two characteristics of a mesh network
topology? (Choose 2.)
It works best for networks with a large number of nodes.
Every node connects to every other node on the network.
It is fault tolerant because of redundant connections.
It requires less cabling than either a star or ring topology.
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.) Note: You will receive partial credit for each correct selection.
Search for broken wires in the cable by using a cable tester.
Tone the line from Unit A to Unit B.
Use an optical time-domain reflectometer (OTDR) to test the line.
Test the data speed of the cable.
A Type 1 hypervisor runs directly on system hardware.
True
False
A Type 2 hypervisor runs directly on system hardware.
True
False
A Type 1 hypervisor is also known as a bare-metal hypervisor.
True
False
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?
The DHCP server is offline.
The DNS is not resolving
NSLOOKUP is stopped.
PING is improperly configured.
What is a VPN?
A virtual network within your local area network (LAN)
A personal network for your use only
A communication tunnel between VLANs
A secure private connection over a public network
What service is provided by Internet Messenger?
An application that allows real-time chatting among remote
users.
Allows remote access to network devices and servers.
Resolves domain names, such as cisco.com, into IP addresses.
Uses encryption to provide secure remote access to network
devices and servers.
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.) Note: You will receive
partial credit for each correct selection.
Managing permissions to shared documents
Updating server operating systems
Backing up application data
Replacing failed server hardware
Managing physical server security
Which routing option is fault tolerant?
The default route
Dynamic routing
Static routing
Least-cost 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?
10.19.1.15
192.168.1.15
172.16.1.15
169.254.1.15
Which physical network topology provides fault-tolerant
communication by providing redundant communication paths?
Bus
Ring
Star
Mesh
What is the primary purpose of a perimeter network?
To act as a secure location for deploying highly sensitive
network servers
To monitor traffic between routed subnets in a private LAN
To provide a buffer area between a private intranet and the
public internet
To act as a hidden location in which to deploy network clients
How is a router's static routing table updated?
Through direct action by the network administrator
With updates from the physically nearest routers
By monitoring adjacent subnets
From the RIP protocol after resetting the router
What happens when a client's DHCP-issued address expires?
The client disconnects from the network
The client attempts to renew its lease on the address.
The client continues to use the address until it is notified to stop.
The client generates a new address valid to the subnet and
requests approval from the DHCP server.
Which service uses PTR and A records?
IPS
DNS
NAT
IDS
A switch sends unicast frames to only one destination port.
True
False
A switch floods ports if it does not know where to send a frame.
True
False
A switch sends broadcast frames to only the uplink port.
True
False
You are trying to access a music-sharing service on the internet. The service is located at the IP
address 173.194.75.105. You experience problems connecting. You run a trace route to the ip
address shown from the image. Evaluate the image and complete the statements by selecting the
correct options from the drop-down lists.
Each hop in the trace
route is a router
Each hop in the trace
route is a switch
The trace route completed
successfully
The trace route completed
unsuccessfully
What is a cause of concern about wireless network security?
The radio broadcast access method
The potential for cross-talk
Frequency modulation issues
Inability to encrypt transmissions
Loopback addresses
192.168.0.0 - 192.168.255.255
224.0.0.0 - 239.255 255.255
127.0.0.0 - 127.255 255.255
Multicast addresses
192.168.0.0 - 192.168.255.255
224.0.0.0 - 239.255 255.255
127.0.0.0 - 127.255 255.255
Private network addresses
192.168.0.0 - 192.168.255.255
224.0.0.0 - 239.255 255.255
127.0.0.0 - 127.255 255.255
In Linux, which command-line tool should you use to list a host's
active incoming connections?
netstat
dig
host
ip addr
On a Windows computer, which utility should you use to
determine whether your Domain Name System (DNS) service is
properly resolving fully qualified domain names (FODNs) to IP
addresses?
ipconfig
nbtstat
nslookup
Netstat
In which range are IPv4 multicast addresses?
From 224.0.0.0 to 239.255.255.255
From 127.0.0.0 to 127.255.255.255
From 192.168.0.0 to 192.168.255.255
From 172.16.0.0 to 172.31.255.255
You work for a small office that has 15 computers. Your local ISP provides you with
one public IP address. You need to enable internet access for all 15 computers
Which routing function should you enable?
RIP
Static routing
NAT
Port forwarding (PAT)
Connectionless, message based protocol with best-effort service
UDP
TCP
UTP
ICMP
Connection-oriented protocol with guaranteed service
UDP
TCP
ARP
IGMP
Resolves a MAC address to an IP address
UDP
TCP
ARP
IGMP
You are studying for finals in the student lounge. When your laptop is connected to the
wireless network, access to the internet is slow. When you connect to the network by
using an Ethernet cable, you can no longer access the internet. You run the ipconfig
/all command. The results are shown in the image Evaluate the image and complete
the statements by selecting the correct option from each drop-down list. Note: You will
receive partial credit for each correct selection.
The IP address of the wireless
adapter is configured DHCP
The IP address of the wireless
adapter is configured DNS
The IP address of the Ethernet
adapter is configured APIPA
The IP address of the Ethernet
adapter is configured IPv6
Allows a remote user to connect to a private network from anywhere on the internet
SSL VPN
Site-to-Site VPN
Layer 2 Tunneling
Securely connects two portions of a private network or two private networks
SSL VPN
Site-to-Site VPN
Layer 2 Tunneling
Creates an unencrypted connection between two network devices
SSL VPN
Site-to-Site VPN
Layer 2 Tunneling
The Internet is a WAN.
True
False
The intranet is a WAN.
True
False
All devices connected to a WAN must be located within the
same city.
True
False
Which wireless authentication method provides the
highest level of security?
WPS authentication
Wi-Fi Protected Access 2 (WPA2)
Wired Equivalent Privacy (WEP)
Wi-Fi Protected Access (WPA)
You are setting up a network computer game.
You need to open up ports on your firewall so your
friends can join the network. Which command displays
the ports that your computer is listening for.
Nbtstat
netstat
ping
nslookup
You are a network administrator. Employees in the finance
departmentment are complaining about slow data speed while
accessing the company network. One of the computers in the
department shows the connection is only 100Mbps, line should be
1000Mbps.
Which network hardware tool should you use to determine whether a
cable is capable of 1000Mbps full duplex transmission?
Toner
Time-Domain reflectometer (TDR)
Multimeter
Cable Tester
You are a network support technician. The company president reports
that his wired network printer is not working. To test the line, you need
to know where the jack is plugged into the patch panel. However, there
are no labels. In the main distribution frame (MDF), you discover a
bundle of 35 cables. Which tool should you use to isolate the correct
cable?
Time-domain reflectometer (TDR)
Multimeter
Cable Tester
Toner
What is the top-level domain of ftp.sunsetweb.org
What are two characteristics of a wired Ethernet network topology
(choose 2)
it uses network adapters that are physically encoded with IP
Addresses.
It can negotiate different transmission speeds.
It is typically employed by using twisted pair or fiber optic media
It uses tokens to avoid collisions on the network
You are setting up a network computer game.
You need to open up ports on your firewall so your friends can join the
network. Which command displays the ports that your computer is
listening for?
nslookup
netstat
ping
nbstat
Iot Devices have IP Addresses
True
False
Iot devices require human interaction to communicate with a network
True
False
A smart thermostat and a lightbulb that can be switched on by using an
app are examples of IoT devices
True
False
You are helping a friend set up a public-facing web server in their
home office. Your friend wants to protect the internal network from
intrusion. What should you do?
Set the Ip address of the web server to be within the LAN
Configure the firewall to block access on ports 80 and 443
Deploy the web server in the perimeter network (Also known as DMZ)
Configure the web server to block access on ports 80 and 44
What are the purpose of the ping utility? Choose 2
To scan for open host firewall ports
To determine whether a host is reachable
To search for duplicate addresses
To self-test a host own network interface
To resolve host names to IP Addresses
If you reboot one virtual machine, all the other virtual machines on the server reboot at
the same time.
True
False
You can reboot the ost machine without it having any effect on the other virtual
machines on the same physical server
True
False
If your need to reboot one virtual machine, you must first reboot the physical server.
True
False
If users connect to the internet through dial-up connections, the server must also
connect through a dial-up connection
True
False
You can use RAS Gateway to configure a VPN connection for Windows 10 clients that is
active whenever the client connects to the internet.
True
False
Which network device interconnects computers in a workgroup, can be
remotely configured, and provides the best throughput?
Router
Managed Switch
Unmanaged Switch
Hub
Which protocol does the ping utility use to test communication with a
remote host?
OSPF
ICMP
BOOTP
HTTP
You need to install a network cable between two locations that are
approximately six miles/ten kilometers from each other. Which cable
should you use?
Multi-mode fiber
single-mode fiber
Cat5e
Cat6
Which wireless encryption type is the most susceptible to interception
and decryption?
WPA2
WPA-PSK
WPA-AES
WEP
In addition to switching, which feature is specific to a multilayer
switch?
Bridges traffic between different physical topologies
Provides Layer 3 routing functions
manages addresses for client computers
Translates between various network products
Which technology can you use to extend and internal network across
shared or public networks?
Microsoft ASP Net
VPN
VLAN
Microsoft .Net Framework
What does each IPV4 address consist of?
A DNS record and a default route
A MAC address and a data-link layer address
A network ID and a Host ID
A 64-bit binary number divided into octets
What is a feature of the Teredo tunneling protocol
It enables the passing of IPV6 traffic through IPv4 Networks
It translates IPv4 traffic to IPv6 traffic
it provides VPN Security
It dynamically allocates IPV6 addresses
Your company’s computers exchange data through a set of routed
private Wi-Fi networks at a single geographical location. What type of
network is in the example
Perimeter
Extranet
Intranet
Internet
