IST 220 Test 1 Review Flashcards
What is the name of the domain controller database that Windows Server 2016 uses to store data about user access and resources on the network?(two words)
Active Directory
At the transport layer , the PDU is known as a ____________ when the TCP protocol is used
Segment
At the transport layer , the PDU is known as a ____________ when the UDP protocol is used
Datagram
What is a message called that is delivered by TCP? At which layer does the protocol work?
Segment
Transport layer
In the client-server model, what is the primary protocol used for communication between a browser and web server?
HTTP
List the OSI Model layers in order Layer 7 to 1 - Must be completed in the correct order to get credit
Layer 7
Application
Layer 6
Presentation
Layer 5
Session
Layer 4
Transport
Layer 3
Network
Layer 2
Data Link
Layer 1
Physical
Which two encryption protocols might be used to provide secure transmissions for browser and web server communications?
SSL and TLS
Which email protocol allows an email client to download email messages to the local computer?
POP3
Which email protocol allows an email client to read mail stored on the mail server?
IMAP4
Which application embedded in Windows operating systems allows remote control of a computer and uses the RDP secure protocol for transmissions?
Remote Desktop
A network consists of five computers, all running Windows 10 Professional. All the computers are connected to a switch, which is connected to a router, which is connected to the Internet. Which networking model does the network use?
Peer-to-peer
Which networking model requires that a computer is available with a Network Operating System installed on it?
Client-server
A network consists of seven computers and a network printer, all connected directly to one switch. Which network topology does this network use?
Star
A network consists of three switches connected together by a network cable. Three computers are connected to the each of the three switches. Which network topology is being used?
Star-bus
Which type of address is used at the Transport layer to identify the receiving application?
Port
A computer is unable to access the network. When you check the LED lights near the computer’s network port, you discover the lights are not lit. Which layer of the OSI model are you using to troubleshoot this problem? At which two layers does the network adapter work?
Data Link layer
Physical layer
HTTP, IMAP4, FTP, and Telnet are all examples of protocols that operate at what layer of the OSI model?
Layer 7
The protocol data unit for the Physical layer of the OSI model is payload, or data.
False
The Data Link layer attaches a trailer to the end of a packet, and does not include a header.
False
The Transmission Control Protocol (TCP) is considered to be a connectionless, or best-effort delivery protocol.
False
Static electricity is an electrical charge in motion.
False
The fundamental difference between a switch and a router is that a switch belongs only to its local network and a router belongs to two or more local networks.
True
The Transport layer header addresses a receiving application by a number called a MAC address.
False
PVC cable coating is toxic when _____________
Burned
Use __________ -rated cabling in the area above the ceiling tile
Plenum
There is only one ________ [a] (use abbreviation) per network, but there can be many ________[b] (s)(use abbreviation) connecting internal portions of the network
MDF
IDF
Which of the following devices are you likely to find in the MDF? Choose all that apply.
Routers
Switches
KVM switch
What is the Industry Standard (full rack )unit of measurement that defines the space available in a rack?________________U [a] How tall are standard(full) racks? _____________feet[b]
A. 42
B. 6
A technician from your ISP has arrived to help you troubleshoot a weak WAN connection. To what location do you take her?
Entrance facility
A transceiver was recently damaged by a lightning strike during a storm. How might you decide whether the ISP is responsible for replacing this device, or whether your company must foot the bill?
Look at whether the device is located on the ISP’s side of the demarc.
Which device converts signals from a campus’s analog phone equipment into IP data that can travel over the Internet?
VoIP gateway
If you’re shopping for a rack switch, what component on the switch tells you it can be mounted to a rack?
Rack ears
You need to connect a new network printer to a nearby wall jack. What kind of cable should you use?
Patch cable
What type of diagram shows a graphical representation of a network’s wired infrastructure?
Wiring schematic
Which of these is considered a secure place to store a list of documented network passwords?
A password manager
What is the first step of inventory management?
List all components on the network.
Each type of cable has a prescribed bend radius, which is the radius of the maximum arc into which you can loop a cable without impairing data transmission.
True
The TIA/EIA standard for wall jacks in a work area require that at least one outlet be provided for data and one for voice.
True
In a rack setup, a device called a KVM allows multiple consoles to connect to a single device on the rack.
False
In general, how much can a twisted-pair’s cable be bent before data transmission may be impeded?
No more than four times the diameter of the cable.
What statement accurately describes what a cable bend radius determines?
A cable bend radius is the radius of the maximum arc into which you can loop the cable without impairing data.
In order to ensure that a cable is not affected by electromagnetic interference, how far away should the cable be from fluorescent lighting?
at least 3 feet
What is NOT a TIA/EIA recognized cabling type that can be used for horizontal cabling?
RG-6 Coaxial
What does backbone cabling consist of?
The cables or wireless links that provide interconnection between the entrance facility and MDF, and between the MDF and IDFs.
What type of tool would you utilize to terminate twisted pair wire on a 66 or 110 block?
Punchdown Tool
What standard describes uniform, enterprise-wide cabling systems, regardless of who manufactures or sells the various parts used in the system?
TIA/EIA-568
Which part of a MAC address is unique to each manufacturer?
The OUI
What type of device does a computer turn to first when attempting to make contact with a host with a known IP address on another network?
Default gateway
What decimal number corresponds to the binary number 11111111?
255
Suppose you send data to the 11111111 11111111 11111111 11111111 IP address on an IPv4 network. To which device(s) are you transmitting?
All devices on your local network
When your computer first joins an IPv6 network, what is the prefix of the IPv6 address the computer first configures for itself?
FE80::/10
If you are connected to a network that uses DHCP, and you need to terminate your Windows workstation’s DHCP lease, which command would you use?
ipconfig /release
Which of these commands is available only in Linux?
Dig
Which computers are the highest authorities in the Domain Name System hierarchy?
Root servers
You have just brought online a new secondary DNS server and notice your network-monitoring software reports a significant increase in network traffic. Which two hosts on your network are likely to be causing the increased traffic and why?
The secondary and primary DNS servers, because the secondary server is requesting zone transfers from the primary server
Which type of DNS record identifies an email server?
MX record
What is the range of addresses that might be assigned by APIPA?
169.254.0.1 through 169.254.255.254
You are the network manager for a computer training center that allows students to bring their own laptops to class for learning and taking notes. Students need access to the Internet, so you have configured your network’s DHCP server to issue IP addresses automatically. Which DHCP option should you modify to make sure you are not wasting addresses used by students who have left for the day?
Lease time
You have decided to use SNAT and PAT on your small office network. At minimum, how many IP addresses must you obtain from your ISP for all five clients in your office to be able to access servers on the Internet?
One
How many bits does an IPv6 address contain?
128
FTP sometimes uses a random port for data transfer, but an FTP server always, unless programmed otherwise, listens to the same port for session requests from clients. What port does an FTP server listen on?
21
You issue a transmission from your workstation to the following socket on your LAN: 10.1.1.145:110. Assuming your network uses standard port designations, what Application layer protocol handles your transmission?
POP3
Suppose you want to change the default port for RDP as a security precaution. What port does RDP use by default?
3389
You have just set up a new wireless network at your house, and you want to determine whether your Linux laptop has connected to it and obtained a valid IP address. What command will give you the information you need?
ifconfig –a
While troubleshooting a network connection problem for a coworker, you discover the computer is querying a nonexistent DNS server. What command-line utility can you use to assign the correct DNS server IP address?
nslookup
When running a scan on your computer, you find that a session has been established with a host at the address 208.85.40.44:80. Which Application layer protocol is in use for this session?
HTTP
The 1024 - 65535 range of ports is also known as the “well-known” range.
False
An IPv6 address consists of 128 bits that are written as 10 blocks of hexadecimal numbers separated by colons.
False
UDP port 123 is utilized by the Network Time Protocol service.
True
With a FQDN of ftp1.dallas.mycompany.com, what part is the domain name?
dallas.mycompany.com
What command can you utilize to display TCP/IP configuration information for each network adapter installed?
ipconfig /all
