ITN 101
What statement correctly identifies the purpose of a software patch? -A software patch is a correction, improvement, or enhancement to software. -A software patch is a major change to a software package that enhances the functionality and features of the software, while also correcting bugs and vulnerabilities. -A software patch involves the process of reverting to a previous version of software after attempting to upgrade it. -A software patch is a container for new software, and must be installed on relevant devices and incorporated with network resources.
A software patch is a correction, improvement, or enhancement to software.
Which of the following is NOT a range of IP addresses recommended for use in private networks? a.127.0.0.0 through 127.255.255.255 b.10.0.0.0 through 10.255.255.255 c.172.16.0.0 through 172.31.255.255 d.192.168.0.0 through 192.168.255.255
A) 127.0.0.0 through 127.255.255.255
What is the most popular web server application? a. Apache b. Microsoft Internet Information Services c. NGINX d. Lighttpd
A) Apache
F5 Networks set the standard for the diagram symbols used to represent routers, switches, firewalls, and other devices.
False
F5 Networks set the standard for the diagram symbols used to represent routers, switches, firewalls, and other devices. T or F?
False
In a rack setup, a device called a KVM allows multiple consoles to connect to a single device on the rack.
False
In a voice over IP setup (VoIP), what kind of device converts signals from a campus's analog phone equipment into IP data that can travel over a phone company's analog telephone lines? -VoIP PBX -VoIP MTA -VoIP gateway -VoIP translator
VoIP gateway
What is the name of the GUI front end that is available for the Nmap utility? -GUINmap -Zenmap -iMap -VizMap
Zenmap
In the TCP/IP model, what layer is considered so simple that it is ignored entirely? a. Network b. Application c. Physical d. Data Link
c. Physical
Which of the following is a document that is sent as a request to vendors to submit a proposal for a product or service that your company wants to purchase? -memorandum of understanding -statement of work -request for quote -request for proposal
request for proposal
What component of the backbone runs between a building's floors and can be used to connect an MDF and IDF or multiple IDFs? -horizontal cross connect -patch cable -vertical cross connect -diagonal cabling
vertical cross connect
What standard describes uniform, enterprise-wide cabling systems, regardless of who manufactures or sells the various parts used in the system? -IEEE 802.3 -TIA/EIA-568 -ITU 922 -ISO 9001
-TIA/EIA-568
A dedicated telephone switch or virtual switching device that connects and manages calls within a private organization, and manages call connections that exit the network through a VoIP gateway, is known by what term? -VoIP router -VoIP PBX (private branch exchange) -VoIP LEC (local exchange carrier) -VoIP ATB (analog telephone branch)
-VoIP PBX (private branch exchange)
What component of enterprise level structured cabling serves as the location where an incoming network interface enters a building and connects with the building's backbone cabling? -network interface device -main distribution frame -intermediate distribution frame -entrance facility
-entrance facility
When planning horizontal cabling, what is the maximum allowable distance that can be used? -100 feet -300 meters -1000 feet -100 meters
100 meters
Equipment data racks most commonly are a standard width of what measurement? -19 inches -20 inches -25 inches -30 inches
19 inches
What is by far the most popular DNS server software available? a.Oracle Resolver b.Microsoft DNS c.Dnsmasq d.BIND
D) BIND
What utility is used to verify that TCP/IP installed, bound to the NIC, configured correctly, and communicating with the network? a.ifconfig b.route c.traceroute d.ping
D) ping
A 66 block is more suitable for data connections than the older 110 block.
False
A change coordinator functions as what type of manager? -project manager -inventory manager -human resources manager -time manager
project manager
What part of a MAC address serves as the extension identifier, or device ID? a.The last 24 bits of the MAC address. b.The last 12 bits of the MAC address. c.The first 12 bits of the MAC address. d.The first 24 bits of the MAC address.
A) The last 24 bits of the MAC address.
Which of the following is not one of the disadvantages of peer-to-peer networks? a.They centralize user account logins. b.They lack scalability. c.They are not necessarily secure. d.They are impractical for connecting large numbers of computers.
A) They centralize user account logins.
At what layer of the OSI model do the IP, ICMP, and ARP protocols operate? a.Network b.Transport c.Session d.Application
A. Network
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 inches -at least 3 feet -at least 6 feet -at least 12 feet
at least 3 feet
In general, how much can a twisted-pair's cable be bent before data transmission may be impeded? -No more than two times the diameter of the cable. -No more than four times the diameter of the cable. -No more than ten times the diameter of the cable. -Twisted pair cable has a near infinite bend radius.
No more than four times the diameter of the cable.
What is NOT a TIA/EIA recognized cabling type that can be used for horizontal cabling? -RG-6 Coaxial -unshielded twisted pair (UTP) -shielded twisted pair (STP) -fiber-optic
RG-6 Coaxial
A master service agreement (MSA) is a contract that defines the terms of future contracts between parties, such as payment terms or arbitration arrangements. T or F?
True
Where is a demarc located in relation to the structured cabling of an enterprise environment? -in the Main Distribution Frame (MDF) -at the Intermediate Distribution Frame (IDF) -in the work area -between the MDF and the IDF
in the Main Distribution Frame (MDF)
Your company is setting itself up to distribute software made by another company. What type of document should your company procure from the developing company? Group of answer choices -master service agreement -master license agreement -service-level agreement -memorandum of understanding
master license agreement
What type of tool would you utilize to terminate twisted pair wire on a 66 or 110 block? -wire crimper tool -block trimmer tool -wire cinching tool -punchdown tool
punchdown tool
The Transport layer header addresses a receiving application by a number called a MAC address. T or F?
False
The protocol data unit for the Physical layer of the OSI model is payload, or data. T or F?
False
What kind of document serves as a legally binding contract or part of a contract that defines, in plain language and in measurable terms, the aspects of a service provided to a customer? -statement of work -memorandum of understanding -service-level agreement -master service agreement
service-level agreement
What type of documentation tool is a website that can be edited by users, allowing them to add files and photos and links between pages? -wiki -spreadsheet -workgroup -co-op
wiki
What type of diagram is a graphical representation of a network's wired infrastructure? -network diagram -wiring schematic -topology map -System diagram
wiring schematic
The TIA/EIA standard for all wall jacks in a work area require that at least one outlet be provided for data and one for voice. T or F?
True
The industry standard height for a rack in rack units is 42U. T or F?
True
The process of designing, implementing, and maintaining an entire network is called the system life cycle. T or F?
True
The Data Link Layer utilizes what name for its protocol data unit (PDU)? a.bit b.frame c.packet d.data
B.Frame
Fiber-optic cable comes in two types: single-mode fiber (SMF) or multimode fiber (MMF). T or F?
True
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. -A cable bend radius is the radius of the minimum arc into which you can loop the cable without impairing data. -A cable bend radius determines the total number of bends that can exist in an overall cable before data is impaired. -A cable bend radius defines the twist rate of the cable inside of the insulation.
A cable bend radius is the radius of the maximum arc into which you can loop the cable without impairing data.
When creating network diagrams, what icon description typically represents a network router? -An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward. -An icon that resembles a brick wall. -An icon that is rectangular in shape, with squiggly lines on the front. -An icon that is rectangular, which contains four arrows pointing in opposite directions.
An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward.
When creating network diagrams, what icon description typically represents a network switch? -An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward. -An icon that resembles a brick wall. -An icon that is rectangular in shape, with squiggly lines on the front. -An icon that is rectangular, which contains four arrows pointing in opposite directions.
An icon that is rectangular, which contains four arrows pointing in opposite directions.
When creating network diagrams, what icon description typically represents a network firewall? -An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward. - An icon that resembles a brick wall. -An icon that is rectangular in shape, with squiggly lines on the front. -An icon that is rectangular, which contains four arrows pointing in opposite directions.
An icon that resembles a brick wall.
Which of the following IPv6 addresses represents a global unicast address? a.FD00::/8 b.2000::/3 c.FE80::10 d.FC00::/7
B) 2000::/3
What does a statement of work document do?
B) It documents in detail the work that must be completed for a particular object, and includes specifics such as tasks, deliverables, standards, payment schedule, and work timeline.
What is assigned to each node on a network, which is then used by the Network layer to uniquely identify the node? a.MAC address b.IP address c.autonomous system address d.port address
B.IP address
How do routers create a broadcast domain boundary? a. They listen to and direct broadcast traffic. b. They forward broadcasts only to necessary segments. c. They do not forward broadcast traffic. d. They only forward broadcasts that are intended for multiple subnets.
C) They do not forward broadcast traffic.
At the Transport layer of the OSI, what is used to find and communicate with a particular application running on a host? a. domain names b. MAC addresses c. port numbers d. IP addresses
C) port numbers
The TCP and UDP protocols both exist at what layer of the OSI model? a. Presentation b. Network c. Transport d. Application
C. Transport
Which of the following is NOT a best practice when performing cable management? -A cable tester should be used to verify that each segment of cable is transmitting reliably. -Cable should not be placed across a floor where they might be damaged by traffic. -Cable ties should be pulled tightly to keep cables from moving around in a bundle. -Grounding requirements should be followed when running cables.
Cable ties should be pulled tightly to keep cables from moving around in a bundle.
What is the minimal amount of voltage required to damage an electrical component ?a.100 volts b.5 volts c.1500 volts d.10 volts
D) 10 volts
Equipment data racks most commonly are a standard width of what measurement? a.20 inches b.30 inches c.25 inches d.19 inches
D) 19 inches
How can you determine the manufacturer of a NIC card based on the MAC address? a.The first 12 bits and last 12 bits combined are known as the Organizationally Unique Identifier .b.The last 24 bits, known as the Organizationally Unique Identifier, identify the manufacturer. c.The middle 24 bits, known as the Organization Universal Identifier, identify the manufacturer d.The first 24 bits, known as the Organizationally Unique Identifier, identify the manufacturer.
D) The first 24 bits, known as the Organizationally Unique Identifier, identify the manufacturer.
Cable that is coated with flame-resistant polyvinyl chloride (PVC) is acceptable for use in plenum areas.
False
What does a statement of work document do? -It documents in detail the work that must be completed for a particular object, and includes specifics such as tasks, deliverables, standards, payment schedule, and work timeline. -It documents the intentions of two or more parties to enter into a binding agreement, or contract, and is sometimes used between an informal handshake and the legally binding signatures on contracts. -It is a legally binding contract or part of a contract that defines, in plain language and in measurable terms, the aspects of a service provided to a customer, such as the service provided by an ISP. -It is a contract that defines the terms of future contracts between parties, such as payment terms or arbitration arrangements.
It documents in detail the work that must be completed for a particular object, and includes specifics such as tasks, deliverables, standards, payment schedule, and work timeline.
During termination of twisted pair cabling, what should be done to ensure minimal cross talk is introduced? -No more than 1 inch of the cable should be exposed. -No less than 1 inch of the cable should be exposed. -Each pair should be stripped of insulation so that it doesn't get caught in the jack. -Each pair should be twisted around another pair to reduce cross talk.
No more than 1 inch of the cable should be exposed.
What statement regarding main distribution frame or main distribution facilities is accurate? -The MDF and entrance facility are always in separate rooms. -The MDF refers to the racks holding network equipment in an organization. -The MDF provides intermediate connection between the IDF and end-user equipment on each floor. -The MDF is the centralized point of interconnection for an organization's LAN or WAN
The MDF is the centralized point of interconnection for an organization's LAN or WAN.
What does backbone cabling consist of? -Short length cables with connectors at both ends. -It is cabling that connects workstations to the closest data room and to switches housed in the room. -The cables or wireless links that provide interconnection between the entrance facility and MDF, and between the MDF and IDFs. -The shielded cables that are used for high data transmission rates between an organization and an ISP.
The cables or wireless links that provide interconnection between the entrance facility and MDF, and between the MDF and IDFs.
You are troubleshooting a network issue on a client computer and discover that the network card has an IP address of 169.254.196.200. What does this mean?
The computer is configured to use DHCP, but was unable to lease an address.
Why should you not leave more than 1 inch of exposed cable before a twisted-pair termination? -Exposing more cable than necessary can cause corrosion of the copper wire. -The exposure of the cable can cause transmission interference between wires. -The cable will lose its conductive properties. -The termination will fail over time due to oxidation.
The exposure of the cable can cause transmission interference between wires.
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. T or F?
True
What does the MX record do in a forward DNS zone? a.It holds the alternative names for a host. b.It identifies the authoritative name server for a domain. c.It identifies the e-mail server to be used for e-mail traffic for the domain. d.It identifies the hostname and port of a computer that hosts a specific network service, such as FTP or SIP.
c.It identifies the e-mail server to be used for e-mail traffic for the domain.