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WorksheetsUnit 9 Chpt 8 Network Infrastructure and Troubleshooting
Total questions: 20
Worksheet time: 10mins
The User Datagram Protocol (UDP) guarantees delivery of data to its destination.
True
False
What command can be used to display IP addresses assigned to all network connections on a system?
msconfig
netstat
ipconfig
netcfg32
Your company received a call from a historical society inquiring about the possibility of networking a two-century-old building with no existing network. In 1924, someone added electrical outlets to the building, but the layout and design of the building prohibits adding any additional copper or fiber cable. You completed a wireless site survey and concluded that wireless networking is out of the question and will not properly function due to environmental interference. Which of the following could be used to network this building?
PoE
WAP
EoP
NIC
Which of the following is a function of an endpoint management server appliance?
Filtering the web content delivered to users on the local area network.
Scanning incoming and outgoing corporate email for spam, malware, and viruses.
Providing authentication services for all network-connected devices.
Restricting a device’s access to the network until security requirements are met.
A technician has been dispatched to a client’s office to diagnose wireless network issues and suspects that channel overlap may be the problem. Which of the following tools will the technician use to help in determining whether her suspicions are correct?
Wi-Fi analyzer
Cable tester
Loopback plug
Toner probe
You are using a crimper to attach an RJ-45 connector to a Cat 6 UTP cable. Your company requires that all cabling follow the TIA/EIA 568B standard. Which wire color code will you use starting with pin 1 of the modular plug?
Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown
Green/white, green, orange/white, orange, blue/white, blue, brown/white, brown
Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown
Orange/white, orange, green/white, green, blue/white, blue, brown/white, brown
The ability to send and receive transmissions at the same time on an Ethernet cable is referred to by what term?
simplex mode
half duplex
auto transmit
full duplex
How are IP addresses available to the Internet classified?
public
private
non-routable
standard
You received a call from a user who brought her own device to the office but cannot find or connect to the company WLAN. The laptop shows other available wireless networks in the building. This user and the other users in her department are connected to the company WLAN and can browse to multiple websites with no problems from their company-assigned laptops. Which of the following is the most likely reason the user cannot find the company WLAN from her own device?
The company WAP is powered down or disconnected.
The laptop’s wireless network is toggled to the off position.
The company WAP has SSID broadcast disabled.
The company WAP has SSID broadcast not disabled.
A technician wants to consolidate and log specific alerts from network devices into a database so maintenance tasks and potential device problems can be addressed in a timely manner. Which of the following should the technician implement?
Syslog server
IDS appliance
IPS appliance
UTM appliance
Which of the following describes an IPv6 link -local address assigned to a node on a network?
An address used to deliver messages to all participating nodes in a multicast group with prefixes that begin with FF00::/8.
A private unicast address assigned by a DHCPv6 server used to communicate with neighboring nodes across subnets.
A private unicast address used for limited communication with neighboring nodes in the same link.
A global address that is routable on the public Internet and assigned by an Internet service provider.
What protocol makes a connection, checks whether the data is received, and resends it if it is not?
TCP
UDP
IP
DNS
What is the name of the 32-bit or 128-bit number that is used to identify a device on a network?
port number
protocol number
IP address
IP version
You are installing network cabling and require a cable solution that provides the best resistance to EMI. Which of the following will you choose for this installation?
UTP
Plenum
PVC
STP
You are troubleshooting a Windows workstation that is having problems communicating with the host at IP address 1.2.3.4. What utility will you use at the command line to determine where the communication is stopping?
tracert 1.2.3.4
ipconfig /all
ping 1.2.3.4
netstat
A coworker is asking for your advice on a problem with a computer that will not communicate on the network. While assisting the coworker, you suspect that the wired NIC may have failed. Which of the following will you recommend to your coworker as the best tool to diagnose this issue? (Select TWO.)
Loopback plug
Wi-Fi analyzer
Punchdown tool
Network multimeter
What wireless networking radio frequency yields faster speeds but offers shorter range?
2.4 GHz
5 GHz
7 GHz
11 GHz
Packets are delivered to a single node on a network when using what type of IPv6 address?
anycast address
default gateway address
multicast address
unicast address
How is the network portion and the host portion of an IP address identified?
dynamic address
DHCP address
default gateway
subnet mask
The Remote Desktop and Remote Assistance applications utilize what port for remote access?
22
23
110
3389
