Net+

A security technician is analyzing packets on an IPv6 network. Which of the following headers would indicate a multicast packet? (Select all that apply.) 011 1111 1111 ff fe80

1111 1111 ff

A network engineer is setting up MTU sizes to follow most Ether products. In normal conditions, what is the maximum size of a standard Ethernet frame, excluding the preamble? 1518 1500 1536 64

1518

A client is trying to connect to a network. The client can get an IP address but does not have internet access and decides to see if they are issued an APIPA address. Which of the following would fall under the APIPA range? 10.0.0.0 to 10.255.255.255 172.16.0.0 to 172.31.255.255 192.168.0.0 to 192.168.255.255 169.254.0.0 through 169.254.255.255

169.254.0.0 through 169.254.255.255

A security technician is analyzing IPv6 traffic and looking at incomplete addresses. Which of the following is a correct IPv6 address? 2001:db8:abc:def0::1234 2001:db8::abc::def0:1234 2001:db8::abc:def0::1234 2001::db8:abc:def0::1234

2001:db8:abc:def0::1234

A network administrator is working for a large company on a subnet that requires an 8 bit mask. Which of the following would that be? 255.255.0.0 255.255.255.0 255.255.255.255 255.0.0.0

255.0.0.0

A network administrator wants to use a subnet mask containing 62 usable addresses. Which of the following subnet masks should the administrator use? 255.255.255.192 255.255.255.240 255.255.255.224 255.255.255.128

255.255.255.192

A security technician is looking at binary and trying to convert it to an IP address. The first field is 00110011. What does this translate to in decimal? 198 100 51 1

51

A network technician is researching standards for the physical and data link layer. Which standard, developed to implement the functions of the physical and data link layers of the OSI model, is the most important? 802.3 802.1D 802.11 802.1X

802.3

A security engineer is looking at IPv6 packets and observes packets for a default route. Which of the following represent a default route? Starts with 001 Starts with 1111 1111 ::/0 Starts with fe80

::/0

A systems engineer configures IP addresses for a SOHO router. In doing so, the engineer uses calculations to determine addresses for two subnets. Which value does the engineer determine the binary value of 1010 relates to in hexadecimal? A 0 FF 100

A

A project manager is putting together supplies for a project using fiber optic cabling. The manager is looking at the cabling core ferrule, which has the tightest connection and best return loss performance. Which of the following should the project manager use? APC UPC PC LC

APC The angled faces of Angled Physical Contacts (APCs) make for an even tighter connection and better return loss performance. APCs cannot mix with PC faces or UPCs.

A security administrator is investigating a CAM table flooded by an attacker. In the packet capture, what protocol should the security administrator filter on to look at related traffic? ARP IP TCP HTTP

ARP The Transmission Control Protocol/Internet Protocol (TCP/IP) suite includes the Address Resolution Protocol (ARP). The ARP performs the task of resolving an IP address to a hardware address. ARP messaging is only available to use with Ethernet.

A systems administrator is trying to troubleshoot frames moving over a 10 gigabit network and wants to set up the most optimal solution. Which of the following should the sysadmin use? SPAN port Active tap Passive tap I/G

Active tap

A network engineer is analyzing a specific network protocol. Which of the following are the principal functions of a network protocol? (Select all that apply.) Addressing Encapsulation Network layer Presentation

Addressing Encapsulation

A network administrator is setting up an Exterior Gateway Protocol (EGP). Which of the following protocols is part of the EGP class? RIP BGP EIGRP OSPF

BGP The Border Gateway Protocol (BGP) is a path vector type that is part of the Exterior Gateway Protocol (EGP) class and runs over Transmission Control Protocol (TCP) port 179.

A network administrator wants to be able to address multiple address hosts. Which of the following would accomplish this task? (Select all that apply.) Broadcast ff:ff:ff:ff:ff:ff Unicast 255.255.240.0

Broadcast ff:ff:ff:ff:ff:ff

A network technician is looking at the interfaces on an edge router. The technician comes across a customer's router. What is this side of the interface called? CE PE SOHO WAN

CE The customer's router is known as the customer edge (CE). Routers designed to service medium to large networks are complex and expensive appliances.

A junior IT technician configures a purchased private computer network for a small bakery. What is a SOHO router considered to be once it is placed in the building? IXP PSTN CPE IANA

CPE Customer premises equipment (CPE) is equipment owned, managed, and supported by the customer as it falls beyond the demarcation point.

A network technician needs a cost-effective solution that can multiplex up to 16 wavelengths on an SFP/SFP+ interface. Which multiplexing technique should the network technician use? CWDM WDM BiDi DWDM

CWDM Coarse Wavelength Division Multiplexing (CWDM) supports up to 16 wavelengths and typically deploys four or eight bidirectional channels over a single fiber strand.

A technician who lays cabling is researching how the manufacturer constructed fiber optic cabling. Which of the following reflects signals back into the waveguide as efficiently as possible so that the light signal travels along the waveguide by multiple internal reflections? Riser Core Buffer Cladding

Cladding

A network architect is planning a new setup for a new company that has yet to build buildings. Which of the following would the architect set up for a /16 network? Multicast Class A Class B Class C

Class B

A network technician is laying out coax cables and needs to order more termination connectors. What should the technician order? F-type SFP+ DAC QSFP+ DAC RJ-11

F-type

A network technician is looking at a router configuration. Which of the following is NOT a mechanism for preventing routing loops? Maximum hop count Convergence Holddown timer Split horizon

Convergence

A project manager is preparing for an upcoming work assignment and is comparing available cable types for use within the project. What is NOT a benefit of using fiber optic cabling? Bandwidth Cost Interference Attenuation

Cost

A project manager is preparing a team to set up cabling infrastructure in a new building. Which of the following tools should they order to be able to create patch cords? Block tool Crimper/Cable stripper Punchdown tool Fusion Splicer

Crimper/Cable stripper

A project manager is visiting a new building and connects to the network. The manager performs all connectivity tests by IP address but cannot ping by host name. What is most likely the problem? UPS issues DHCP DNS Duplicate MACs

DNS

A new network engineer is deploying an architecture using Carrier Sense Multiple Access with Collision Detection (CSMA/CD). How does the CSMA/CD protocol work? Data, check network, transmit data, collision, retransmit Data, transmit, collision, wait, retransmit Data, check network, transmit data, collision, wait, retransmit Data, check network, transmit data, collision, wait

Data, check network, transmit data, collision, wait, retransmit

A systems administrator is looking into communications issues on a server. If the destination IPv4 address is on a different IP network or subnet, where will the host send the traffic? CAM SFD MTRJ Default gateway

Default gateway

A network technician is looking over diagrams for special types of equipment rooms that mark the point at which external cabling (located outside the plant) joins to internal cabling (located on the premises). What is this called? Backbone Horizontal cabling Telecommunications room Demarc

Demarc

A network technician is troubleshooting a connection from a client and decides to use the bottom to top troubleshooting methodology. Which step would the technician perform first? Determine subsystem Determine if hardware-related Isolate subsystem variables Test theory

Determine if hardware-related

A network technician is looking at the route configurations for the organization's environment. What is it called when the IP network or subnet for each active router interface gets automatically added to the routing table? Static route Directly connected routes Default route Local route

Directly connected routes

A network architect is looking at the topology and metrics used to build and update a routing information base. Most routing information bases get classified as which of the following? (Select all that apply.) Convergence Prefix discovery Distance vector Link state

Distance vector Link state

A help desk operator is troubleshooting a site that is no longer responsive. Which of the following is the last step the operator should perform? Implement solution Determine cause Establish plan of action Document findings

Document findings

A security analyst is reviewing various subnets that are set aside for various purposes. What is the subnet 192.0.2.0/24 and 198.51.100.0/24 set aside for? Variety of special purposes Local network address not known DHCP lease Documentation and examples

Documentation and examples

A helpdesk technician is trying to troubleshoot a client who is having issues with its network adapter. What should the technician try first? Driver Overheating Check fans for dust Check for a UPS

Driver

A network technician is setting up a connection between switches, but the switches cannot establish a connection. Which of the following would be the most likely cause of the switch's inability to establish a connection? Dual MDI-X ports Uplink port Crossover cables Autonegotiation

Dual MDI-X ports

A consultant is visiting a new project and forgot to take the manual configurations off the computer from the last project. The client receives issues due to a disabled IP. What does the client most likely have? Duplicate MACs Duplicate IPs Incorrect subnet mask Interface status issues

Duplicate IPs

A network administrator is looking through routing tables to troubleshoot issues. Which of the following is NOT an entry in the routing table? Destination Interface Gateway Traffic class

Traffic class

A network administrator is setting up router advertisements through Neighbor Discovery protocol on an IPv6 network. Which of the following is NOT one of the main functions? Error messaging Address autoconfiguration Prefix discovery Local address resolution

Error messaging

A help desk technician is helping to troubleshoot a switch's connectivity issues. Users report that they are receiving a blinking amber light. This is indicative of what type of issue? Port disabled Disconnect at other end Fault detected Connected but no traffic

Fault detected

A server administrator needs to allow a server to instruct the switch to pause traffic temporarily to avoid overwhelming its buffer and causing it to drop frames. What should the server administrator set up? Jumbo frames Port mirroring Flow control Port aggregation

Flow control

A security engineer is analyzing IPv6 packets. Which of the following header fields is for quality of service? Traffic class Payload length Hop limit Flow label

Flow label

A systems administrator attempts to allow one host on the Internet to send content to other hosts that have identified themselves as interested in receiving the originating host's content. What should the administrator use to accomplish this? Multicast Anycast Broadcast Unicast

Multicast

A help desk technician is trying to troubleshoot the end of a cable but is uncertain where the other end is. What could the technician use to help find the other end of the cable? Fox and Hound Multimeter Wire map tester Loopback tool

Fox and Hound

A network architect is comparing RIP vs. EIGRP. What is a key difference between the two? Simple vs complex One is IGP and the other EGP Full vs incremental routing updates Only one is distance vector

Full vs incremental routing updates

A project manager is ordering equipment to set up fiber cabling in a new building. Which of the following tools will allow a more permanent join with lower insertion loss? Crimper Punchdown tool Block tool Fusion splicer

Fusion splicer

Due to budgetary restraints, a systems administrator is setting up servers with standard network interface cards (NICs) using the most cost-effective methods. Which of the following do most standard NICs support? (Select all that apply.) Gigabit Ethernet Fast Ethernet 40 GbE Fiber Link

Gigabit Ethernet Fast Ethernet

A helpdesk operator is troubleshooting communications between devices in the same location, but one is having issues communicating with the others. Which of the following will have issues? Host A: IP: 192.168.1.10, Mask: 255.255.255.0 Host B: IP: 192.168.1.11, Mask: 255.255.255.0 Host C: IP: 192.168.1.21, Mask: 255.255.0.0 Host D: IP: 192.168.0.10, Mask: 255.255.255.0

Host D: IP: 192.168.0.10, Mask: 255.255.255.0

A network administrator is setting up connection points for multiple devices to connect. Which of the following cannot be configured? Bridge Switch Hub Router

Hub

A network technician is looking at various protocols which support subnetting and supernetting. Which of the following protocols does NOT support subnetting and supernetting? RIPv2 EIGRP OSPF IGRP

IGRP Interior Gateway Routing Protocol (IGRP) is an older routing protocol, which is classful. Classful routing protocols do not carry subnet masks.

A solutions architect is determining where to use fiber cabling and wireless networks to efficiently and cost-effectively deploy an infrastructure. Which of the following would most likely best suit using wireless connectivity? Video editing workstations IOT SANs Replacing Metro Ethernet

IOT

A help desk operator is troubleshooting a site that is no longer responsive. Which of the following is the first step the operator should perform? Determine cause Establish plan of action Document findings Identify the problem

Identify the problem

A helpdesk technician is reviewing the network layout in various areas. What is the purpose of subnetting? Layer 2 tracking Layer 3 segments Port security Flow control

Layer 3 segments

A security engineer implements port security on a hardware firewall. Which OSI model layer identifies the application ports to configure? Layer 1 Layer 2 Layer 3 Layer 4

Layer 4

A helpdesk technician is setting up a new IP configuration for a new Ethernet adapter on a client using PowerShell. Which command should the technician use? Set-NetIPAddress New-NetIPAddress netsh interface ip set address "Ethernet" dhcp netsh interface ip set address "Ethernet" static 10.1.0.1 255.255.255.0 10.1.0.254

New-NetIPAddress

A company calls a consultant to replace STP cabling and is looking at the varying types. Which of the following is the most challenging to install? S/FTP F/UTP Legacy STP ScTP

Legacy STP

A network operator is calculating the amount of loss suffered by all components along a fiber transmission path. What is this called? Attenuation Connectors Loss budget Splices

Loss budget

A storage administrator notices that packets from their storage devices are often fragmented. Which of the following would be the cause of this? Flow label Static route MTU Hop count

MTU It is possible that due to limitations in the underlying network, IP may fragment the packet into more manageable pieces to fit within the Maximum Transmission Unit (MTU) of the Data Link protocol frame.

A network technician is trying to diagnose a network where something is consuming a lot of bandwidth and slowing down the network. Which of the following would point to this? IGMP snooping Multicast transmissions Host resolution issues Duplicate IPs

Multicast transmissions

A cable operator needs to transition a cable from one type to another. Which of the following would best help? MDI Repeater Hub Media converter

Media converter

A systems administrator needs to combine multiple 1 Gbps connections to be able to support 2 Gbps connections. What should the administrator set up? CAM table NIC teaming Port security configuration Auto-MDI/MDIX

NIC teaming

A network technician is attempting to prevent poorly addressed packets from permanently circulating the network. Which of the following will decrement when it passes through switches? Neither hop count nor TTL Hop count TTL Flow label

Neither hop count nor TTL

A networking engineer is troubleshooting issues with a router. At which layer of the OSI model is the engineer troubleshooting? Data link Transport Network Session

Network

A help desk operator is trying to identify the vendor for a piece of equipment. What could the help desk operator check to determine the vendor? Last six digits of a MAC address OUI I/G bit of a MAC address FCS

OUI The first six hex digits of a MAC address (3 bytes or octets), also known as the Organizationally Unique Identifier (OUI), identifies the manufacturer of the adapter.

A solutions architect is designing a cable management solution. Which of the following is the most common wiring distribution? Krone 110 block Patch panel 66 Block

Patch panel

A communications engineer notices that every time it rains the signal becomes very degraded. Which layer of the OSI model is the engineer most likely troubleshooting? Physical Data Link Transport Application

Physical The physical layer (PHY) of the OSI model (layer 1) is responsible for the transmission and receipt of the signals that represent bits of data from one node to another node. Wireless is one medium.

A network architect is assessing network performance. Which of the following is part of the CSMA/CD protocol to identify collisions early? (Select all that apply.) CRC FCS Preamble SFD

Preamble SFD

An application developer is attempting to troubleshoot issues with ASCII conversion for their application. At which layer of the OSI model are they troubleshooting? Application Session Data link Presentation

Presentation

A networking administrator is trying to power off a Cisco switch, but it is not working. The administrator needs to be in which mode to perform this task? Global Configuration Mode User EXEC Mode Autonegotiate Mode Privileged EXEC Mode/Enable Mode

Privileged EXEC Mode/Enable Mode

A help desk technician is troubleshooting communications between a client and print server. They are trying to perform the step to identify symptoms and duplicate the problem. Which of the following does NOT fall under this step? Question the obvious Physical inspection Check system logs Use a test system

Question the obvious

A network architect is researching distance vector protocols to use. Which of the following should the architect look into? (Select all that apply.) RIP OSPF BGP EIGRP

RIP EIGRP The Routing Information Protocol (RIP) is a distance vector type that is part of the IGP class and runs over User Datagram Protocol (UDP) ports 520 or 521. The Enhanced Interior Gateway Routing Protocol (EIGRP) is a distance vector/hybrid type that is part of the Interior Gateway Protocol (IGP) class and runs over native IP (88).

Which networking component would connect to a SOHO router, operating at the first layer of the OSI model? Wireless Access Point RJ-45 NIC Firewall Internal bridge

RJ-45 NIC This is a part of the router and represents the physical connection for Ethernet cables. It operates at the first layer (physical layer) of the OSI model.

A network technician has set up a link where the cable length exceeds the distance limitation and may not achieve the required speed or be unreliable. What should the network technician use in this case? Media converter Repeater MDI Hub

Repeater

A systems manager is preplanning for the event that critical servers will fail. Which of the following would be the most likely plan of action? Repair Ignore Replace Destroy

Replace

A helpdesk operator is troubleshooting communication issues for devices in different broadcast domains. Which device is necessary in order for nodes to communicate in separate broadcast domains? Switch Hub Router Modem

Router

A network administrator is setting up cabling between buildings and needs to transmit the maximum distance possible. Which type of cabling would be most suitable? MMF SMF Twisted pair Coaxial

SMF

A systems administrator is looking at technology in the organization's environment and finds Fast Link Pulse. What does this technology do? Does not support autonegotiation Supports up to 10 Mbps Typically deployed on new networks Sends link integrity test signals

Sends link integrity test signals

A security analyst is looking at traffic directed to 0.0.0.0/8. For what purpose is this IP range typically used? Variety of special purposes To check that TCP/IP is correctly installed on the local host Source address by client seeking a DHCP lease Examples

Source address by client seeking a DHCP lease

A networking project manager needs switches that can connect together and operate as a group. Which of the following should the project manager use? Managed Modular Stackable Rack-mounted

Stackable

A network technician is setting up IPv6 global addressing. Which of the following is NOT part of an IPv6 unicast address? Starts with 001 Network ID Starts with fe80 Subnet

Starts with fe80

A network cabling engineer reviews different fiber optic connector form factors. Which of the following features a push-pull mechanism that is commonly used with multimode fiber? Straight Tip Mechanical Transfer Registered Jack Subscriber Connector Local Connector

Subscriber Connector

A network technician wants to upgrade the company's hub to avoid collisions. Which solution would help the technician accomplish this to the fullest extent? Router Switch Bridge Hub

Switch

A network technician wants to upgrade the company's hub to isolate collision domains from each other and allow for Gigabit Ethernet. Which solution would help the technician to accomplish this? Switch Network Adapters Router Hub

Switch

Which two termination schemes should a technician use to terminate twisted pair cabling in accordance with the TIA/EIA-568 standard as they set up a new office network for their company? T568A and RJ11 T568B and TIA 570 TIA 568 and TIA 570 T568A and T568B

T568A and T568B

A network operator is trying to troubleshoot kinks and imperfections in cabling that could affect performance. What should the network operator use to test the cabling? dB SNR ms TDR

TDR A cable tester might incorporate the function of a time domain reflectometer (TDR). A TDR measures the length of a cable run and locates kinks and other imperfections in cables that could affect performance.

A network technician in Germany is setting up Cat 7 cabling in the organization's environment. The technician should, to comply with installation standards, terminate the cabling with what type of connector? (Select all that apply.) RJ45 TERA GG45 Horizontal connectors

TERA GG45 TERA connectors, rather than standard RJ-45 connectors, can terminate Cat 7 cabling. TIA/EIA does not recognize Cat 7 but appears in the cabling standards created by the ISO (ISO/IEC 11801). GG45 connectors, rather than standard RJ-45 connectors, can terminate Cat 7 cabling. Cat 7 cable is always of a screened/shielded type and rated for 10GbE applications up to 100 m (328 feet).

A systems administrator wants to ensure that port numbers are being appropriately assigned for each type of network application. What layer of the OSI model should the administrator be reviewing to ensure these actions are taken? Network Transport Session Application

Transport

A cable operator is tasked with assessing the use of UTP cabling in an office building. What is NOT a true statement regarding UTP? Most twisted pair cable used in office networks is UTP. UTP cable is less susceptible to interference and crosstalk. Modern buildings are often flood-wired using UTP cabling. When using the flood-wired approach, it involves cables being laid to every location in the building that may need to support a telephone or computer.

UTP cable is less susceptible to interference and crosstalk.

A network operator is troubleshooting connectivity issues and suspects that the transceiver is the source of the problem. What should the network operator perform? Check patch cord termination Use a loopback tool Change the patch cord Substitute known working hosts

Use a loopback tool

A security architect is dividing a network into logically distinct zones for security and administrative control. Which of the following should the security architect use? CAMs VLANs Port security Flow control

VLANs

A security analyst is reviewing malicious packets and trying to understand the IPv4 header. What is the first field in an IPv4 header? Header Length Version Protocol Source address

Version

A company is upgrading its current network infrastructure to Gigabit Ethernet. Which of the following options concerning Gigabit Ethernet is true? (Select all that apply.) Works over Cat 5e or newer Max distance of 100 m for UTP cabling between node/switch port or between two ports Supports rates up to 1000 Mbps Specified as 100BASE-T

Works over Cat 5e or newer Max distance of 100 m for UTP cabling between node/switch port or between two ports Supports rates up to 1000 Mbps

A network administrator configures a SOHO router for a small business. Which zone and IP address information is configured on the router for proper functionality for users to access all internal resources and the Internet? Zone: privateInternal IP range 192.168.51.0/24Zone: publicExternal IP 209.0.113.1 Zone: publicInternal IP range 149.167.1.0/24Zone: privateExternal IP 20.0.11.1 Zone: privateInternal IP range 182.168.19.0/24Zone: publicExternal IP 188.4.11.1 Zone: publicInternal IP range 192.168.6.0/24Zone: privateExternal IP 212.8.1.9

Zone: privateInternal IP range 192.168.51.0/24Zone: publicExternal IP 209.0.113.1

A network administrator is diagnosing a suspected problem with local addressing and packet delivery. Which of the following commands would the administrator use to flush the ARP cache? arp -a arp -d arp -g arp -s

arp -d

A network administrator is diagnosing a suspected problem with local addressing and packet delivery. Which of the following commands would the administrator use to add an entry to the ARP cache? arp -a arp -d arp -g arp -s

arp -s

A network technician is trying to troubleshoot attenuation and measure accordingly. What unit of measurement expresses attenuation? dB SNR ms Mbps

dB

A helpdesk technician is troubleshooting issues on a Windows client. Which command does the technician use to clear the current IP address so that a new one may be obtained? ipconfig /flushdns ipconfig /all ipconfig /release ipconfig /renew

ipconfig /release

A Linux systems administrator wants to interface correctly with modern network configuration manager packages. Which of the following would be best to accomplish this? iproute2 net-tools ifconfig ipconfig

iproute2

A Windows server administrator wants to view the routing table of end systems. Which command should the administrator use? ip route show route add 192.168.3.0 mask 255.255.255.0 192.168.5.1 metric 2 ip route w.x.y.z route print

route print

A network administrator is troubleshooting the whole path between two Windows nodes with a view to isolating the node or link that is causing the problem. Which command should they use? route traceroute tracert ip route show

tracert