Network+ set 2 practice questions
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 solutions architect is determining where to use fiber and copper cabling to efficiently and cost-effectively deploy an infrastructure. Which of the following would most likely best suit using the copper cabling? Video editing workstations IOT SANs Replacing Metro Ethernet
IOT
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 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 needs to break up a subnet into subnet masks containing 64 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 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 technician is trying to troubleshoot attenuation and measure accordingly. What unit of measurement expresses attenuation? dB SNR ms Mbps
dB
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 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 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 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 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 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
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
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 or TTL Hop count TTL Flow label
Neither hop count or TTL
A network administrator is installing Ethernet cabling connectors following the termination style specified in a customer contract with the US government, not based on which is a more popular choice. According to CompTIA, what specification should they use? RJ11 T568B TIA 570 T568A
T568A
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 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
A network engineer is setting up MTU sizes to follow most Ether products. What is the normal IPv4 EtherTypes value (in bytes) 1536 1500 1518 64
1536
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 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 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 10
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
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
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
A cable operator is laying out unshielded twisted pair (UTP) cabling in an environment. Which of the following is not a consideration for UTP? Twisted to reduce interference Best used outside Uses solid cabling Measured in AWG
Best used outside
A network technician wants to upgrade the company's hub to isolate collision domains from each other. Which solution would help the technician to accomplish this but NOT create separate broadcast domains on each port? Bridge Switch Router Hub
Bridge
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 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 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 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
A junior IT technician configures a purchased private computer network for a small bakery. The placement of a SOHO router within the building is which of the following? IXP PSTN CPE IANA
CPE
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
A network technician is looking at prevention mechanisms for routing loops. Which of the following is NOT a mechanism for distance vector protocols? 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 Punchdown tool Cable strippers
Crimper
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 or software related Isolate subsystem variables Test theory
Determine if hardware or software 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 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 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 is not establishing a connection. Which of the following would be the most likely cause for it not to work? 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 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 User Autonegotiate Enable
Enable
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 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 Establish a theory of probable cause
Establish a theory of probable cause
A security researcher is looking at traffic directed to 192.0.2.128. What is this used for if used correctly? Variety of special purposes Local network address not known DHCP lease Examples
Examples
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 help desk technician is helping to troubleshoot 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 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 systems administrator is setting up servers with standard network interface cards (NICs). Which of the following do most standard NICs support? (Select all that apply.) Gigabit Ethernet Fast Ethernet 10 GbE 40 GbE
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 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 company calls a consultant to replace STP cabling and is looking at the varying types. Which of the following is the most difficult to install? S/FTP F/UTP Legacy STP ScTP
Legacy STP
A network operator is troubleshooting connectivity issues and suspects the transceiver. What should the network operator perform? Check patch cord termination Loopback tool Change the patch cord Substitute known working hosts
Loopback tool
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 network cabling operator is looking at different fiber optic connector form factors. Which of the following only works for multimode? ST SC MTRJ LC
MTRJ
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
A cable operator needs to transition from one cable type to another. Which of the following would best help? MDI Repeater Hub Media converter
Media converter
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 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 helpdesk technician is setting up a new IP configuration for an 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 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
A solutions architect is designing a cable management solution. Which of the following is the most common? 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 Applicatio
Physical
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
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 for use in the environment. Which of the following should the architect look into? (Select all that apply.) RIP OSPF BGP EIGRP
RIP EIGRP
Which networking component would connect to a SOHO router, operating at the first layer of the OSI model? Wireless Access Point RJ-45 ports WAN port Internal bridge
RJ-45 ports
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. What do the devices need to pass through to talk to each other? 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 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 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 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
What is RIP?
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.
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 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 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 about Gigabit Internet is true? (Select all that apply.) Works over Cat 5e+ 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+ 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 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 helpdesk operator is troubleshooting issues on a Windows client and wants to try to flush their dynamic IP address so that they can pull another one. Which command will help the helpdesk operator do this? 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 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
