LAN 1-3 test Multiple choice
What standard describes uniform, enterprise-wide cabling systems, regardless of who manufactures or sells the various parts used in the system? a. IEEE 802.3 b. TIA/EIA-568 c. ITU 922 d. ISO 9001
b. TIA/EIA-568
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? a. The computer has been assigned a routed public IP address. b. The network card has been erroneously assigned a loopback address. c. The computer is configured to use DHCP, but was unable to lease an address. d. The network card is set up for multicast communication
c. The computer is configured to use DHCP, but was unable to lease an address.
What statement accurately reflects what occurs when a message is too large to transport on a network? a. The message is discarded and must be sent again. b. The message is sent anyway, and is received by the destination as garbage data. c. The message is divided into smaller messages called segments (for TCP) or datagrams (for UDP). d. An ICMP error is generated, and the application must reformat the data for transmission.
c. The message is divided into smaller messages called segments (for TCP) or datagrams (for UDP).
The TCP and UDP protocols both exist at what layer of the OSI model? a. Application b. Presentation c. Transport d. Network
c. Transport
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? a. VoIP PBX b. VoIP MTA c. VoIP gateway d. VoIP translator
c. VoIP gateway
What command can you utilize to display TCP/IP configuration information for each network adapter installed? a. ipconfig /show b. ipconfig /list c. ipconfig /all d. ipconfig /full
c. ipconfig /all
A Windows computer on your network is having issues resolving queries for a specific domain, but notother domains. Other computers on the same network resolve the name just fine. What command can you issuethat might fix the problem? a. ipconfig /renew b. ipconfig /release c. ipconfig /flushdns d. ipconfig /refresh
c. ipconfig /flushdns
What utility is used to verify that TCP/IP installed, bound to the NIC, configured correctly, and communicating with the network? a. traceroute b. ifconfig c. ping d. route
c. ping
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? a. statement of work b. memorandum of understanding c. service-level agreement d. master service agreement
c. service-level agreement
When dealing with static electricity, what kind of failure caused by static discharge shortens the life of a component, and can cause intermittent errors? a. catastrophic failure b. interrupting failure c. upset failure d. temporary failure
c. upset failure
What component of the backbone runs between a building's floors and can be used to connect an MDF and IDF or multiple IDFs? a. horizontal cross connect b. patch cable c. vertical cross connect d. diagonal cabling
c. vertical cross connect
What text editor can be used on Linux to view and edit the contents of a configuration file? a. Notepad b. Microsoft Word c. vim d. edit
c. vim
When planning horizontal cabling, what is the maximum allowable distance that can be used? a. 100 feet b. 300 meters c. 1,000 feet d. 100 meters
d. 100 meters
Which of the following is NOT a range of IP addresses recommended for use in private networks? a. 10.0.0.0 through 10.255.255.255 b. 172.16.0.0 through 172.31.255.255 c. 192.168.0.0 through 192.168.255.255 d. 127.0.0.0 through 127.255.255.255
d. 127.0.0.0 through 127.255.255.255
Which of the following IP addresses would be a loopback IP address? a. 169.254.0.1 b. 192.168.1.1 c. 224.0.0.1 d. 127.0.0.1
d. 127.0.0.1
When creating network diagrams, what icon description typically represents a network switch? a. An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward. b. An icon that resembles a brick wall. c. An icon that is rectangular in shape, with squiggly lines on the front. d. An icon that is rectangular, which contains four arrows pointing in opposite directions.
d. An icon that is rectangular, which contains four arrows pointing in opposite directions.
What is the most popular web server application? a. Microsoft Internet Information Services b. NGINX c. Lighttpd d. Apache
d. Apache
What is by far the most popular DNS server software available? a. Microsoft DNS b. Dnsmasq c. Oracle Resolver d. BIND
d. BIND
The Data Link Layer utilizes what name for its protocol data unit (PDU)? a. packet b. data c. bit d. frame
d. Frame
What is the ARPA domain suffix utilized for? a. It is a specialized government restricted TLD. b. It is used to announce records for other TLDs such as .com and .net. c. It is a private TLD used for synchronization of zones between servers. d. It is used for reverse DNS queries, and holds PTR records.
d. It is used for reverse DNS queries, and holds PTR records.
HTTP, IMAP4, FTP, and Telnet are all examples of protocols that operate at what layer of the OSI model? a. Layer 4 b. Layer 5 c. Layer 6 d. Layer 7
d. Layer 7
The proper handling procedures for substances such as chemical solvents is typically outlined in which of the following options? a. Toxic Chemical Safety Procedure (TCSP) b. Dangerous and Hazardous Waste Disposal Sheet (DHWDS) c. Environmental Chemical Hazard Sheet (ECHS) d. Material Safety Data Sheet (MSDS)
d. Material Safety Data Sheet (MSDS)
At what layer of the OSI model do the IP, ICMP, and ARP protocols operate? a. Application b. Session c. Transport d. Network
d. Network
The Windows Remote Desktop application utilizes what protocol to provide secure, encrypted transmissions? a. File Transfer Protocol (FTP) b. Secure Sockets Layer (SSL) c. Secure Shell (SSH) d. Remote Desktop Protocol (RDP)
d. Remote Desktop Protocol (RDP)
Which of the following protocols is used as a signaling protocol for the initial connection between hosts, but does not participate in data transfer during the session? a. NTP b. LDAP c. TFTP d. SIP
d. SIP
What statement regarding main distribution frame or main distribution facilities is accurate? a. The MDF and entrance facility are always in separate rooms. b. The MDF refers to the racks holding network equipment in an organization. c. The MDF provides intermediate connection between the IDF and end-user equipment on each floor. d. The MDF is the centralized point of interconnection for an organization's LAN or WAN.
d. The MDF is the centralized point of interconnection for an organization's LAN or WAN.
What occurs if a network layer protocol is aware that a packet is larger than the maximum size for its network? a. The protocol will notify a network router capable of receiving the packet, and a new path will be used to the destination. b. The protocol will send an ICMP message to the destination, requesting a larger packet size be allowed. c. The packet will be dropped silently, requiring the communicating application try again. d. The packet will be divided into smaller packets using fragmentation.
d. The packet will be divided into smaller packets using fragmentation.
Which of the following is not one of the disadvantages of peer-to-peer networks? a. They lack scalability. b. They are not necessarily secure. c. They are impractical for connecting large numbers of computers. d. They centralize user account logins.
d. They centralize user account logins.
How do routers create a broadcast domain boundary? a. They forward broadcasts only to necessary segments. b. They listen to and direct broadcast traffic. c. They only forward broadcasts that are intended for multiple subnets. d. They do not forward broadcast traffic.
d. They do not forward broadcast traffic.
You are troubleshooting a DNS issue on a Linux system, and need to test the resolution of your domainmycompany.com MX record using Google's DNS server with the IP address of 8.8.8.8. What dig command willaccomplish this? a. dig --server 8.8.8.8 --type=mx mycompany.com b. dig -s 8.8.8.8 -t mx mycompany.com c. dig query 8.8.8.8 domain mycompany.com type mx d. dig @8.8.8.8 mycompany.com MX
d. dig @8.8.8.8 mycompany.com MX
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? a. network interface device b. main distribution frame c. intermediate distribution frame d. entrance facility
d. entrance facility
With a FQDN of ftp1.dallas.mycompany.com, what part is the domain name? a. ftp1 b. ftp1.dallas c. ftp1.dallas.mycompany. d. mycompany.com
d. mycompany.com
When using DHCP for IPv6 (i.e. DHCPv6), what port do clients receive responses on? a. port 67 b. port 68 c. port 546 d. port 547
d. port 547
What type of tool would you utilize to terminate twisted pair wire on a 66 or 110 block? a. wire crimper tool b. block trimmer tool c. wire cinching tool d. punchdown tool
d. punchdown tool
Which of the following is a document that is sent as a request to vendors to submit a proposal for a productor service that your company wants to purchase? a. memorandum of understanding b. statement of work c. request for quote d. request for proposal
d. request for proposal
Equipment data racks most commonly are a standard width of what measurement? a. 19 inches b. 20 inches c. 25 inches d. 30 inches
a. 19 inches
What statement accurately describes what a cable bend radius determines? a. A cable bend radius is the radius of the maximum arc into which you can loop the cable without impairing data. b. A cable bend radius is the radius of the minimum arc into which you can loop the cable without impairing data. c. A cable bend radius determines the total number of bends that can exist in an overall cable before data is impaired. d. A cable bend radius defines the twist rate of the cable inside of the insulation.
a. A cable bend radius is the radius of the maximum arc into which you can loop the cable without impairing data.
In a domain, the process of allowing a user to sign on to the network from any computer on the network and get access to resources is managed by what service? a. Active Directory Federated Users (AD FU) b. Active Directory Domain Services (AD DS) c. Automated Directory Network Services (AD NS) d. Windows Named Resource Services (WN RS)
b. Active Directory Domain Services (AD DS)
When creating network diagrams, what icon description typically represents a network firewall? a. An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward. b. An icon that resembles a brick wall. c. An icon that is rectangular in shape, with squiggly lines on the front. d. An icon that is rectangular, which contains four arrows pointing in opposite directions.
b. An icon that resembles a brick wall.
Your supervisor has asked you to configure a new prototype network with a dual stack configuration. What does this mean? a. Two different IPv4 address spaces will exist on the same network segment. b. Both IPv4 and IPv6 protocols will be used on the network. c. The router serving the network will have a redundant spare. d. The network will exist on two separate segments, separated by a proxy.
b. Both IPv4 and IPv6 protocols will be used on the network.
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. port address d. autonomous system address
b. IP address
What statement regarding the Server Message Block protocol is accurate? a. It is a simple protocol used to synchronize block messages written to iSCSI drives on a network. b. It is used by Windows and UNIX-based operating systems to share files. c. It is a signaling protocol used to make a connection between hosts prior to data transfer. d. It is a protocol used for accessing network-based LDAP directories.
b. It is used by Windows and UNIX-based operating systems to share files.
In general, how much can a twisted-pair's cable be bent before data transmission may be impeded? a. No more than two times the diameter of the cable. b. No more than four times the diameter of the cable. c. No more than ten times the diameter of the cable. d. Twisted pair cable has a near infinite bend radius.
b. No more than four times the diameter of the cable.
In the DNS hierarchy, where is information about how to find the top-level domain servers held? a. In the hosts file on the local machine. b. On the DNS root servers. c. On DNS caching-only servers. d. In the organization's forward lookup zone.
b. On the DNS root servers.
In considering the responsibilities of each layer of the OSI model, what statement accurately reflects those of the Presentation layer? a. The Presentation layer describes the interface between two applications, each on separate computers. b. The Presentation layer is responsible for reformatting, compressing, and/or encrypting data in a way that the application on the receiving end can read. c. The Presentation layer is responsible for describing how data between applications is synced and recovered if messages don't arrive intact at the receiving application. d. The Presentation layer is responsible for transporting Application layer payloads from one application to another.
b. The Presentation layer is responsible for reformatting, compressing, and/or encrypting data in a way that the application on the receiving end can read.
Why should you not leave more than 1 inch of exposed cable before a twisted-pair termination? a. Exposing more cable than necessary can cause corrosion of the copper wire. b. The exposure of the cable can cause transmission interference between wires. c. The cable will lose its conductive properties. d. The termination will fail over time due to oxidation.
b. The exposure of the cable can cause transmission interference between wires.
What part of a MAC address serves as the extension identifier, or device ID? a. The first 24 bits of the MAC address. b. The last 24 bits of the MAC address. c. The first 12 bits of the MAC address. d. The last 12 bits of the MAC address.
b. The last 24 bits of the MAC address.
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? a. VoIP router b. VoIP PBX (private branch exchange) c. VoIP LEC (local exchange carrier) d. VoIP ATB (analog telephone branch)
b. VoIP PBX (private branch exchange)
What is the name of the GUI front end that is available for the Nmap utility? a. GUINmap b. Zenmap c. iMap d. VizMap
b. Zenmap
In order to ensure that a cable is not affected by electromagnetic interference, how far away should the cable be from fluorescent lighting? a. at least 3 inches b. at least 3 feet c. at least 6 feet d. at least 12 feet
b. at least 3 feet
An open electrical circuit as a result of a failed circuit breaker is considered to be what type of failure system? a. fail-open b. fail-close c. fail-tolerant d. fail-dynamic
b. fail-close
In a fire suppression system, what term is used to describe what is typically a foaming chemical, gas, or water that is sprayed everywhere to put out a fire? a. fire extinction agent b. fire suppression agent c. extinguishing medium d. eliminating factor
b. fire suppression agent
On a Linux-based system, what command can be used to display TCP/IP information associated with every interface on the system? a. ipconfig /all b. ifconfig -a c. ip show d. if status
b. ifconfig -a
What type of IPv6 address is fe80::8cf1:2c42:ffde:da1c? a. global address b. link local address c. multicast address d. anycast address
b. link local address
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? a. master service agreement b. master license agreement c. service-level agreement d. memorandum of understanding
b. master license agreement
At the Transport layer of the OSI, what is used to find and communicate with a particular application running on a host? a. IP addresses b. port numbers c. domain names d. MAC addresses
b. port numbers
If your network consists of all connected devices connecting to one central device, such as a switch, what type of topology is being used? a. bus topology b. star topology c. star bus topology d. mesh topology
b. star topology
What command can be used to check a domain computer's time source from a Command Prompt window? a. date /source b. w32tm /query /source c. ntpd show source d. time --source
b. w32tm /query /source
What type of diagram is a graphical representation of a network's wired infrastructure? a. network diagram b. wiring schematic c. topology map d. system diagram
b. wiring schematic
Which of the following is NOT a best practice when performing cable management? a. A cable tester should be used to verify that each segment of cable is transmitting reliably. b. Cable should not be placed across a floor where they might be damaged by traffic. c. Cable ties should be pulled tightly to keep cables from moving around in a bundle. d. Grounding requirements should be followed when running cables.
c. Cable ties should be pulled tightly to keep cables from moving around in a bundle.
What is a defining characteristic of a bus topology based network? a. Devices are connected to two adjacent devices, and communication priority is granted by a token. b. Devices are connected directly to a centralized networking device, known as a network switch. c. Devices are daisy-chained together in a single line. d. Devices are directly attached to a network router, which forwards data to intended destinations.
c. Devices are daisy-chained together in a single line.
What does the MX record do in a forward DNS zone? a. It identifies the hostname and port of a computer that hosts a specific network service, such as FTP or SIP. 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 holds the alternative names for a host.
c. It identifies the e-mail server to be used for e-mail traffic for the domain.
In the TCP/IP model, what layer is considered so simple that it is ignored entirely? a. Application b. Network c. Physical d. Data Link
c. Physical
What mail protocol is used to send mail messages to a server? a. POP3 b. IMAP4 c. SMTP d. HTTPS
c. SMTP
What Application layer protocol can be used to monitor and gather information about network traffic and can alert network administrators about adverse conditions that need attention? a. HTTP b. POP3 c. SNMP d. SMTP
c. SNMP
What layer of the OSI model describes how data between applications is synced and recovered if messages don't arrive intact at the receiving application? a. Application Layer b. Presentation Layer c. Session Layer d. Transport Layer
c. Session Layer
Encrypted control of remote computers using the RDP protocol is accomplished using what port number? a. TCP 22 b. UDP 161 c. TCP 3389 d. UDP 10000
c. TCP 3389
You are setting up a DNS zone and have been asked to create SPF and DKIM records. What type of DNS record will hold this information? a. SRV record b. CNAME record c. TXT record d. PTR record
c. TXT record
In the United States, who is able to activate the Emergency Alert System at the national level? a. Any U.S. state or territory b. The Federal Bureau of Investigation c. The President d. Local law enforcement
c. The President
What does backbone cabling consist of? a. Short length cables with connectors at both ends. b. It is cabling that connects workstations to the closest data room and to switches housed in the room. c. The cables or wireless links that provide interconnection between the entrance facility and MDF, and between the MDF and IDFs. d. The shielded cables that are used for high data transmission rates between an organization and an ISP.
c. The cables or wireless links that provide interconnection between the entrance facility and MDF, and between the MDF and IDFs.
What statement correctly identifies the purpose of a software patch? a. A software patch is a correction, improvement, or enhancement to software. b. 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. c. A software patch involves the process of reverting to a previous version of software after attempting to upgrade it. d. A software patch is a container for new software, and must be installed on relevant devices and incorporated with network resources.
a. A software patch is a correction, improvement, or enhancement to software.
When creating network diagrams, what icon description typically represents a network router? a. An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward. b. An icon that resembles a brick wall. c. An icon that is rectangular in shape, with squiggly lines on the front. d. An icon that is rectangular, which contains four arrows pointing in opposite directions.
a. An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward.
In the TCP/IP model, what layer combines the responsibilities of the Application, Presentation, and Session layers from the OSI model? a. Application b. Internet c. Transport d. Link
a. Application
If a host's IPv6 address contains the network adapter's MAC address within the last 64 bits of the IPv6address, what standard is being used? a. EUI-64 b. IEEE 802.36 c. UUID-128 d. MACin6
a. EUI-64
What does a statement of work document do? a. 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. b. 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. c. 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. d. It is a contract that defines the terms of future contracts between parties, such as payment terms or arbitration arrangements.
a. 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.
At what layer of the OSI model does a network switch normally operate? a. Layer 2 b. Layer 3 c. Layer 4 d. Layer 5
a. Layer 2
The frame header at the Data Link layer includes hardware addresses of the source and destination NICs. What is another name for this address? a. MAC (Media Access Control) address b. DAC (Data Access Control) address c. DAC (Digital Access Control) address d. PAC (Packet Access Control) address
a. MAC (Media Access Control) address
During termination of twisted pair cabling, what should be done to ensure minimal cross talk is introduced? a. No more than 1 inch of the cable should be exposed. b. No less than 1 inch of the cable should be exposed. c. Each pair should be stripped of insulation so that it doesn't get caught in the jack. d. Each pair should be twisted around another pair to reduce cross talk.
a. No more than 1 inch of the cable should be exposed.
What federal agency is charged with safety and health in the workplace? a. Occupational Safety and Health Administration (OSHA) b. Workplace Safety and Hazard Administration (WSHA) c. Office Safety and Standards Department (OSSD) d. Hazardous Materials and Safety Management (HMSM)
a. Occupational Safety and Health Administration (OSHA)
What is NOT a TIA/EIA recognized cabling type that can be used for horizontal cabling? a. RG-6 Coaxial b. unshielded twisted pair (UTP) c. shielded twisted pair (STP) d. fiber-optic
a. RG-6 Coaxial
Which of the following is an example of encapsulation? a. The addition of a header to data inherited from the layer above in the OSI model. b. The subtraction of a header from data inherited from the layer below in the OSI model. c. The modification of headers from a higher layer in the OSI model. d. The addition of a trailer to data inherited from the layer above in the OSI model.
a. The addition of a header to data inherited from the layer above in the OSI model.
How can you determine the manufacturer of a NIC card based on the MAC address? a. The first 24 bits, known as the Organizationally Unique Identifier, identify the manufacturer. 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 12 bits and last 12 bits combined are known as the Organizationally Unique Identifier.
a. The first 24 bits, known as the Organizationally Unique Identifier, identify the manufacturer.
A policy in which all exit doors for a building stay unlocked during a fire is an example of what type of policy? a. fail-open b. fail-close c. fail-tolerant d. fail-oriented
a. fail-open
Where is a demarc located in relation to the structured cabling of an enterprise environment? a. in the Main Distribution Frame (MDF) b. at the Intermediate Distribution Frame (IDF) c. in the work area d. between the MDF and the IDF
a. in the Main Distribution Frame (MDF)
A change coordinator functions as what type of manager? a. project manager b. inventory manager c. human resources manager d. time manager
a. project manager
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? a. wiki b. spreadsheet c. workgroup d. co-op
a. wiki
What is the minimal amount of voltage required to damage an electrical component? a. 5 volts b. 10 volts c. 100 volts d. 1500 volts
b. 10 volts
In the classful addressing scheme, what range of network addresses is considered a Class B? a. 1.x.y.z to 126.x.y.z b. 128.0.x.y to 191.255.x.y c. 192.0.0.x to 223.255.255.x d. 224.x.y.z to 255.x.y.z
b. 128.0.x.y to 191.255.x.y
Which of the following IPv6 addresses represents a global unicast address? a. FE80::10 b. 2000::/3 c. FC00::/7 d. FD00::/8
b. 2000::/3
In a DNS zone, what type of record holds the name-to-address mapping for IPv6 addresses? a. A record b. AAAA record c. PTR record d. TXT record
b. AAAA record