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WorksheetsNet+ CH 1-9 Practice
Total questions: 25
Worksheet time: 13mins
Which statements are true of DNS? (Choose three.)
Maps names to IP addresses
DNS uses ARP to map names to MAC addresses
DNS uses recursive queries to find domain names and IP addresses
DNS is used to organize resources
Which networking technology used in LAN's is described as Fast Ethernet and uses two pairs of cabling for transmitting and receiving?
1000BaseT
100BaseTX
100BaseT4
100BaseFX
In terms of network security, what is the purpose of hashing?
Hashing encrypts data
Hash is a great side dish with eggs
Hashing decrypts data that was encrypted by hashing
Hashes are used to verify data integrity
Which TCP ports are commonly used by e-mail clients and servers? (Choose three.)
443
143
110
25
Which of the following is a UTP wiring standard?
10BaseT runs at 10 megabits per second
TIA A568
TIA 568B
IEEE 802.3
George is unable to surf the Web. No matter what address he enters, he receives the message, "The page cannot be displayed." On George's system, you can ping 64.226.214.168, but when you ping www.totalsem.com, you receive the message "Server not found." What problem does this indicate?
NIC is malfunctioning
DHCP server is not working correctly
DNS server is not working correctly
Cable is not connected to network hub
You are the network administrator with 15 users on a network. None of them have been able to connect to the server for the last 30 minutes. You try pinging the workstations from the server, but you can't ping any of them or the loopback address, even after a reboot. Which of the following statements must be true?
Problem with server NIC
Users need to reboot their systems
Need to reboot DNS server
Need to reboot DHCP server
A switch port can BEST be described by which of the following terms?
Link state
Distance vector
Broadcast domain
Collision domain
What protocol would enable Jill, the administrator of the Bayland Widget Corporation's network, to monitor her routers remotely?
DNS
NFS
FTP
SNMP
A website just changed its IP address and a user is unable to reach it by typing the site's domain name into their browser. What command can the user run to make the computer learn the website's new IP address?
ipconfig /updatednscache
ipconfig /dnsupdate
ipconfig /all
ipconfig /flushdns
A private network has which of the following traits?
Its IP addresses must be assigned by IANA
It uses only static I addresses
Its IP addresses are exposed to the internet
Its IP addresses are not exposed to the internet
Which symptom is not a result of an IP addressing problem?
Duplicate MAC addresses
Incorrect gateway
Static IP address
Duplicate IP address
When the loss of a piece of equipment or link can bring down an entire process, workflow or even the whole organization, that lost element is called what?
Single point of failure
Redundant link
Critical asset
Critical node
The primary command-line tool to troubleshoot Windows naming issues is what?
Nbtstat
Net
Ipconfig
Netstat
Everyday at the office, we play Roblox over the Internet (only during lunch hour, of course). Today, however, there is a lot of lag in the action--our mutual connection is bogged down somewhere. What could I use in Windows to find out where the bottleneck is occurring?
Tracert
Ping
Arp
Traceroute
Which of the following is not a fire rating for network cables?
Plenum
PVC
CAT 6a
Riser
Which characteristic(s) make UTP and STP different from each other? (Choose two.)
STP has shielding but UTP does not
UTP costs less per foot than STP
UTP costs more per foot than STP
UTP supports ethernet speeds bot STP only supports the slower speeds
Bob administers a 20-node Windows and Mac OS X network with one Linux server. This morning Bob is inundated with calls from users complaining they can't access the network. The server, which sits in an equipment rack four feet from his desk, also cannot access the network. No one's link light is working. He has made no administrative changes during the night. Where should look first?
The switch
The patch cable
The patch panel
The server
Which field would not be found in an Ethernet frame?
Ethertype
Destination IP address
Destination MAC address
Source MAC address
A network tech suspects a wiring issue in a work area. Which element does she not need to check?
Ping workstation NIC with loopback plug installed
Verify link lights at the workstation and the switch port
Confirm network settings in the operating system
Ensure that the connection from the router to the ISP good
I need to find out what connections are currently open on my local machine. What utility might help me do that?
Tracert
Nbtstat
Netstat
Ping
What is the primary purpose of netstat?
Displays all connections to and from a host computer
Shows you computer's connections to any web servers
Graphical utility that charts amount of network data entering and leaving a host
Captures frames and packets for later review
What Windows utility enables you to query information from the DNS server and change how your system uses DNS?
ARP
Nbtstat
Tracert
Nslookup
Which of the following are typically found in an MDF equipment room? (Choose three.)
Switch(es)
IDF
Patch Panel(s)
Rack
Which of the following utilities can you use to confirm connectivity to another TCP/IP host?
Ping
Netstat
Nbtstat
ARP
