CompTIA Network+ N10-009 Practice Exam (100 Questions)

Which OSI layer is responsible for path selection and logical addressing?

Layer 2 – Data Link

Correct Incorrect Correct answer

Layer 7 – Application

Correct Incorrect Correct answer

Layer 4 – Transport

Correct Incorrect Correct answer

Layer 3 – Network

Correct Incorrect Correct answer

At which OSI layer does a switch primarily operate?

Layer 2 – Data Link

Correct Incorrect Correct answer

Layer 1 – Physical

Correct Incorrect Correct answer

Layer 4 – Transport

Correct Incorrect Correct answer

Layer 3 – Network

Correct Incorrect Correct answer

Which device makes forwarding decisions based on IP addresses?

Bridge

Correct Incorrect Correct answer

Switch

Correct Incorrect Correct answer

Hub

Correct Incorrect Correct answer

Router

Correct Incorrect Correct answer

What is the default port for SSH?

TCP 22

Correct Incorrect Correct answer

TCP 3389

Correct Incorrect Correct answer

TCP 23

Correct Incorrect Correct answer

UDP 22

Correct Incorrect Correct answer

Which protocol translates private IP addresses to public IP addresses?

NAT

Correct Incorrect Correct answer

DNS

Correct Incorrect Correct answer

ICMP

Correct Incorrect Correct answer

ARP

Correct Incorrect Correct answer

What command displays the path packets take to a destination on Windows?

tracert

Correct Incorrect Correct answer

pathping only

Correct Incorrect Correct answer

ipconfig

Correct Incorrect Correct answer

route

Correct Incorrect Correct answer

Which cable type uses light to transmit data over long distances with immunity to EMI?

Fiber-optic

Correct Incorrect Correct answer

Twinax

Correct Incorrect Correct answer

Cat 6 UTP

Correct Incorrect Correct answer

RG-6 coaxial

Correct Incorrect Correct answer

What is the maximum segment length for 1000BASE-T?

55 meters

Correct Incorrect Correct answer

2 kilometers

Correct Incorrect Correct answer

100 meters

Correct Incorrect Correct answer

500 meters

Correct Incorrect Correct answer

Which connector is most common on twisted‑pair Ethernet cables?

RJ‑11

Correct Incorrect Correct answer

LC

Correct Incorrect Correct answer

BNC

Correct Incorrect Correct answer

RJ‑45

Correct Incorrect Correct answer

Which wireless standard first introduced MU‑MIMO and operates on 5 GHz?

802.11n

Correct Incorrect Correct answer

802.11ax

Correct Incorrect Correct answer

802.11ac

Correct Incorrect Correct answer

802.11g

Correct Incorrect Correct answer

What is the purpose of VLANs?

Replace routing

Correct Incorrect Correct answer

Provide NAT

Correct Incorrect Correct answer

Logically segment Layer 2 networks

Correct Incorrect Correct answer

Encrypt wireless traffic

Correct Incorrect Correct answer

Which protocol dynamically assigns IP addresses to clients?

DHCP

Correct Incorrect Correct answer

NTP

Correct Incorrect Correct answer

DNS

Correct Incorrect Correct answer

TFTP

Correct Incorrect Correct answer

Which record type maps a hostname to an IPv4 address in DNS?

A record

Correct Incorrect Correct answer

MX record

Correct Incorrect Correct answer

CNAME record

Correct Incorrect Correct answer

AAAA record

Correct Incorrect Correct answer

Which protocol is used by ping?

TCP

Correct Incorrect Correct answer

UDP

Correct Incorrect Correct answer

ICMP

Correct Incorrect Correct answer

IGMP

Correct Incorrect Correct answer

What is the range of a Class C default subnet mask?

255.255.0.0 (/16)

Correct Incorrect Correct answer

255.255.255.128 (/25)

Correct Incorrect Correct answer

255.255.255.0 (/24)

Correct Incorrect Correct answer

255.0.0.0 (/8)

Correct Incorrect Correct answer

Which protocol securely transfers files over SSH?

FTPS (implicit)

Correct Incorrect Correct answer

SFTP

Correct Incorrect Correct answer

TFTP

Correct Incorrect Correct answer

FTP

Correct Incorrect Correct answer

Which protocol and port are used for secure web traffic?

HTTP on UDP 443

Correct Incorrect Correct answer

HTTP on TCP 80

Correct Incorrect Correct answer

HTTPS on TCP 443

Correct Incorrect Correct answer

SFTP on TCP 443

Correct Incorrect Correct answer

What is the private IPv4 address range beginning with 10?

192.168.0.0/16

Correct Incorrect Correct answer

169.254.0.0/16

Correct Incorrect Correct answer

172.16.0.0/12

Correct Incorrect Correct answer

10.0.0.0/8

Correct Incorrect Correct answer

APIPA addresses fall in which range?

172.31.0.0/16

Correct Incorrect Correct answer

169.255.0.0/16

Correct Incorrect Correct answer

192.0.2.0/24

Correct Incorrect Correct answer

169.254.0.0/16

Correct Incorrect Correct answer

What does ARP resolve?

IP to port

Correct Incorrect Correct answer

Hostname to IP

Correct Incorrect Correct answer

IPv4 address to MAC address

Correct Incorrect Correct answer

MAC to IPv6 address

Correct Incorrect Correct answer

Which routing protocol is link‑state and uses Dijkstra’s algorithm?

OSPF

Correct Incorrect Correct answer

EIGRP

Correct Incorrect Correct answer

RIP

Correct Incorrect Correct answer

BGP

Correct Incorrect Correct answer

Which protocol is used primarily for routing between autonomous systems on the Internet?

RIP

Correct Incorrect Correct answer

BGP

Correct Incorrect Correct answer

IS‑IS

Correct Incorrect Correct answer

OSPF

Correct Incorrect Correct answer

Which command shows active TCP/UDP sessions on a host?

ipconfig

Correct Incorrect Correct answer

nslookup

Correct Incorrect Correct answer

netstat

Correct Incorrect Correct answer

arp

Correct Incorrect Correct answer

Which technology allows multiple physical links to act as one logical link for redundancy and throughput?

Port security

Correct Incorrect Correct answer

Link aggregation (LACP)

Correct Incorrect Correct answer

STP

Correct Incorrect Correct answer

Port mirroring

Correct Incorrect Correct answer

What is the function of STP?

Prevents Layer 2 loops

Correct Incorrect Correct answer

Encrypts frames

Correct Incorrect Correct answer

Aggregates links

Correct Incorrect Correct answer

Prioritizes traffic

Correct Incorrect Correct answer

Which QoS mechanism reserves bandwidth for voice/video flows?

Port security

Correct Incorrect Correct answer

NAT

Correct Incorrect Correct answer

PoE

Correct Incorrect Correct answer

QoS with DSCP markings

Correct Incorrect Correct answer

Which device operates at Layer 1 and repeats signals to extend a network?

Router

Correct Incorrect Correct answer

Bridge

Correct Incorrect Correct answer

Switch

Correct Incorrect Correct answer

Repeater

Correct Incorrect Correct answer

What is the MTU of standard Ethernet?

576 bytes

Correct Incorrect Correct answer

9000 bytes

Correct Incorrect Correct answer

1500 bytes

Correct Incorrect Correct answer

1492 bytes

Correct Incorrect Correct answer

Which IPv6 address type is the equivalent of IPv4 private addressing within a site?

Multicast (ff00::/8)

Correct Incorrect Correct answer

Link‑local (fe80::/10)

Correct Incorrect Correct answer

Unique local (fc00::/7)

Correct Incorrect Correct answer

Global unicast (2000::/3)

Correct Incorrect Correct answer

Which wireless security method is recommended for modern enterprise deployments?

WEP

Correct Incorrect Correct answer

Open network

Correct Incorrect Correct answer

WPA‑TKIP

Correct Incorrect Correct answer

WPA3‑Enterprise (802.1X/EAP)

Correct Incorrect Correct answer

What is the purpose of a DMZ?

Provide guest Wi‑Fi

Correct Incorrect Correct answer

Encrypt database traffic

Correct Incorrect Correct answer

Isolate public‑facing services from internal networks

Correct Incorrect Correct answer

Replace firewalls

Correct Incorrect Correct answer

Which protocol synchronizes time across network devices?

SMTP

Correct Incorrect Correct answer

RADIUS

Correct Incorrect Correct answer

NTP

Correct Incorrect Correct answer

TFTP

Correct Incorrect Correct answer

Which tool queries DNS to resolve a hostname to an IP?

tracert

Correct Incorrect Correct answer

route

Correct Incorrect Correct answer

nslookup / dig

Correct Incorrect Correct answer

netsh

Correct Incorrect Correct answer

What does PoE supply over Ethernet cabling?

Only data

Correct Incorrect Correct answer

Optical power

Correct Incorrect Correct answer

Clock signals

Correct Incorrect Correct answer

Electrical power and data

Correct Incorrect Correct answer

Which WAN technology uses label switching for traffic engineering?

ISDN

Correct Incorrect Correct answer

MPLS

Correct Incorrect Correct answer

Frame Relay

Correct Incorrect Correct answer

PPP

Correct Incorrect Correct answer

Which IPv6 transition mechanism encapsulates IPv6 inside IPv4?

6to4 / Tunneling

Correct Incorrect Correct answer

Dual‑stack only

Correct Incorrect Correct answer

NAT64 only

Correct Incorrect Correct answer

PAT

Correct Incorrect Correct answer

Which DNS record specifies the primary name server for a zone?

PTR

Correct Incorrect Correct answer

NS

Correct Incorrect Correct answer

TXT

Correct Incorrect Correct answer

SOA

Correct Incorrect Correct answer

Which technology allows multiple VLANs across a single link?

HSRP

Correct Incorrect Correct answer

Port security

Correct Incorrect Correct answer

802.1Q trunking

Correct Incorrect Correct answer

Port channel

Correct Incorrect Correct answer

Which protocol verifies the identity of devices before granting network access on a switch port?

802.1D

Correct Incorrect Correct answer

802.1X

Correct Incorrect Correct answer

802.11x

Correct Incorrect Correct answer

802.3ad

Correct Incorrect Correct answer

Which address is used for one‑to‑many communications in IPv4?

Anycast

Correct Incorrect Correct answer

Loopback (127.0.0.1)

Correct Incorrect Correct answer

Multicast (224.0.0.0–239.255.255.255)

Correct Incorrect Correct answer

Broadcast (255.255.255.255)

Correct Incorrect Correct answer

Which protocol and port are used for remote desktop on Windows by default?

RDP – TCP 3389

Correct Incorrect Correct answer

SSH – TCP 22

Correct Incorrect Correct answer

VNC – TCP 5900

Correct Incorrect Correct answer

Telnet – TCP 23

Correct Incorrect Correct answer

Which cable category is commonly rated for 10GBASE‑T up to 55 m (or 100 m for Cat6a)?

Cat 6

Correct Incorrect Correct answer

Cat 3

Correct Incorrect Correct answer

Cat 5e

Correct Incorrect Correct answer

Cat 7a

Correct Incorrect Correct answer

What tool captures and analyzes network packets?

Syslog

Correct Incorrect Correct answer

Protocol analyzer (Wireshark)

Correct Incorrect Correct answer

SIEM

Correct Incorrect Correct answer

Port scanner

Correct Incorrect Correct answer

Which address type is link‑local in IPv6 and not routable?

2001::/16

Correct Incorrect Correct answer

fc00::/7

Correct Incorrect Correct answer

fe80::/10

Correct Incorrect Correct answer

ff00::/8

Correct Incorrect Correct answer

What is the function of a WAF?

Protect web apps by filtering HTTP/S traffic

Correct Incorrect Correct answer

Block layer‑3 DDoS

Correct Incorrect Correct answer

Accelerate DNS

Correct Incorrect Correct answer

Filter email spam

Correct Incorrect Correct answer

Which backup type copies all selected data and clears the archive bit?

Mirror only

Correct Incorrect Correct answer

Full backup

Correct Incorrect Correct answer

Incremental

Correct Incorrect Correct answer

Differential

Correct Incorrect Correct answer

Which network service centralizes authentication, authorization, and accounting?

RADIUS/TACACS+ (AAA)

Correct Incorrect Correct answer

LDAP only

Correct Incorrect Correct answer

Syslog

Correct Incorrect Correct answer

SNMP

Correct Incorrect Correct answer

Which WAN term refers to the demarcation point between customer and provider?

Smartjack

Correct Incorrect Correct answer

Demarc

Correct Incorrect Correct answer

MDF

Correct Incorrect Correct answer

IDF

Correct Incorrect Correct answer

What does CIDR notation /27 represent?

255.255.255.248 with 8 addresses

Correct Incorrect Correct answer

255.255.255.192 with 64 addresses

Correct Incorrect Correct answer

255.255.255.240 with 16 addresses

Correct Incorrect Correct answer

255.255.255.224 with 32 addresses (30 usable)

Correct Incorrect Correct answer

Which protocol retrieves email from a server while keeping messages on the server by default?

MAPI only

Correct Incorrect Correct answer

IMAP4

Correct Incorrect Correct answer

SMTP

Correct Incorrect Correct answer

POP3

Correct Incorrect Correct answer

Which command clears the local DNS cache on Windows?

netsh winsock reset

Correct Incorrect Correct answer

ipconfig /flushdns

Correct Incorrect Correct answer

ipconfig /release

Correct Incorrect Correct answer

arp -d

Correct Incorrect Correct answer

Which wireless band generally offers better range but lower throughput?

2.4 GHz

Correct Incorrect Correct answer

6 GHz

Correct Incorrect Correct answer

5 GHz

Correct Incorrect Correct answer

60 GHz

Correct Incorrect Correct answer

Which technology allows an AP to power on via Ethernet without a local outlet?

Miracast

Correct Incorrect Correct answer

MIMO

Correct Incorrect Correct answer

PoE (802.3af/at/bt)

Correct Incorrect Correct answer

UPoE only

Correct Incorrect Correct answer

Which protocol is used to securely manage network devices via CLI?

SSH

Correct Incorrect Correct answer

Telnet

Correct Incorrect Correct answer

SNMPv1

Correct Incorrect Correct answer

FTP

Correct Incorrect Correct answer

Which SNMP version provides authentication and encryption?

SNMPv1

Correct Incorrect Correct answer

SNMPv2c

Correct Incorrect Correct answer

RMON

Correct Incorrect Correct answer

SNMPv3

Correct Incorrect Correct answer

What does the TTL field in an IP packet help prevent?

Packet fragmentation

Correct Incorrect Correct answer

MTU mismatch

Correct Incorrect Correct answer

Routing loops

Correct Incorrect Correct answer

ARP spoofing

Correct Incorrect Correct answer

Which cable type is most immune to EMI and suitable for industrial environments?

STP

Correct Incorrect Correct answer

Fiber‑optic

Correct Incorrect Correct answer

UTP

Correct Incorrect Correct answer

Coaxial

Correct Incorrect Correct answer

Which protocol is used for automated device configuration and backup via text‑based templates?

LLDP

Correct Incorrect Correct answer

TFTP only

Correct Incorrect Correct answer

SMTP

Correct Incorrect Correct answer

NETCONF/RESTCONF

Correct Incorrect Correct answer

Which IPv4 address is the loopback?

0.0.0.0

Correct Incorrect Correct answer

127.0.0.1

Correct Incorrect Correct answer

255.255.255.255

Correct Incorrect Correct answer

169.254.1.1

Correct Incorrect Correct answer

Which WAN access technology uses a cable TV infrastructure?

T‑carriers

Correct Incorrect Correct answer

xDSL

Correct Incorrect Correct answer

ISDN

Correct Incorrect Correct answer

DOCSIS

Correct Incorrect Correct answer

What does DHCP option 3 typically provide to clients?

DNS server

Correct Incorrect Correct answer

WINS server

Correct Incorrect Correct answer

NTP server

Correct Incorrect Correct answer

Default gateway

Correct Incorrect Correct answer

Which protocol translates names to IPs on Windows networks without DNS?

NetBIOS name service (NBNS)

Correct Incorrect Correct answer

LLMNR only

Correct Incorrect Correct answer

RARP

Correct Incorrect Correct answer

mDNS only

Correct Incorrect Correct answer

Which routing protocol is distance‑vector and uses hop count as a metric?

IS‑IS

Correct Incorrect Correct answer

BGP

Correct Incorrect Correct answer

RIP

Correct Incorrect Correct answer

OSPF

Correct Incorrect Correct answer

What is the primary purpose of a proxy server?

Encrypts all traffic

Correct Incorrect Correct answer

Provides DHCP

Correct Incorrect Correct answer

Acts as router

Correct Incorrect Correct answer

Intermediary for client requests with caching/filtering

Correct Incorrect Correct answer

Which command on Linux displays and manipulates the ARP cache?

ifconfig

Correct Incorrect Correct answer

route

Correct Incorrect Correct answer

arp

Correct Incorrect Correct answer

ip addr

Correct Incorrect Correct answer

Which security feature prevents unauthorized switches from forming trunks?

Disable DTP / use manual trunking

Correct Incorrect Correct answer

Use auto‑MDI/MDI‑X

Correct Incorrect Correct answer

Disable LLDP

Correct Incorrect Correct answer

Enable CDP

Correct Incorrect Correct answer

Which tool tests cable pairs for continuity and correct pinouts?

Cable tester

Correct Incorrect Correct answer

Loopback plug only

Correct Incorrect Correct answer

OTDR

Correct Incorrect Correct answer

Toner probe

Correct Incorrect Correct answer

Which technology prevents MAC‑table overflow attacks on switches?

QoS

Correct Incorrect Correct answer

UDLD

Correct Incorrect Correct answer

BPDU guard

Correct Incorrect Correct answer

Port security

Correct Incorrect Correct answer

Which wireless discovery/association frame type helps clients find SSIDs?

RTS/CTS frames

Correct Incorrect Correct answer

Beacon frames

Correct Incorrect Correct answer

Deauth frames

Correct Incorrect Correct answer

ACK frames

Correct Incorrect Correct answer

Which IPv6 record type maps a name to an IPv6 address?

A record

Correct Incorrect Correct answer

AAAA record

Correct Incorrect Correct answer

SRV

Correct Incorrect Correct answer

PTR

Correct Incorrect Correct answer

Which tool would you use to identify the switch port a device is connected to?

Switch MAC address table (CAM) / show mac address‑table

Correct Incorrect Correct answer

Route print

Correct Incorrect Correct answer

Netstat

Correct Incorrect Correct answer

ARP

Correct Incorrect Correct answer

Which high‑availability protocol provides a virtual default gateway on LANs?

HSRP/VRRP

Correct Incorrect Correct answer

CDP

Correct Incorrect Correct answer

VTP

Correct Incorrect Correct answer

LLDP

Correct Incorrect Correct answer

Which command releases and renews a DHCP lease on Windows?

netsh int ip reset

Correct Incorrect Correct answer

ipconfig /release and /renew

Correct Incorrect Correct answer

ipconfig /flushdns

Correct Incorrect Correct answer

arp ‑d

Correct Incorrect Correct answer

Which wireless antenna type provides long‑range, narrow beam coverage?

Patch (short‑range)

Correct Incorrect Correct answer

Yagi / directional

Correct Incorrect Correct answer

Omnidirectional

Correct Incorrect Correct answer

Dipole

Correct Incorrect Correct answer

Which device aggregates multiple APs for centralized WLAN configuration?

Bridge

Correct Incorrect Correct answer

Repeater

Correct Incorrect Correct answer

Wireless LAN controller (WLC)

Correct Incorrect Correct answer

Hub

Correct Incorrect Correct answer

Which IPv4 addressing method automatically assigns addresses without a server using local announcements?

PAT

Correct Incorrect Correct answer

Zeroconf/Link‑Local (APIPA)

Correct Incorrect Correct answer

Static IP

Correct Incorrect Correct answer

DHCP reservation

Correct Incorrect Correct answer

Which command shows the routing table on Windows?

tracert

Correct Incorrect Correct answer

route print

Correct Incorrect Correct answer

arp ‑a

Correct Incorrect Correct answer

net use

Correct Incorrect Correct answer

Which network diagram shows physical device interconnections and cabling?

Swimlane diagram

Correct Incorrect Correct answer

Logical topology diagram

Correct Incorrect Correct answer

Process flowchart

Correct Incorrect Correct answer

Physical topology diagram

Correct Incorrect Correct answer

Which WAN technology provides symmetric, dedicated bandwidth over fiber?

Leased line / Metro Ethernet

Correct Incorrect Correct answer

Cable

Correct Incorrect Correct answer

Satellite

Correct Incorrect Correct answer

DSL

Correct Incorrect Correct answer

Which monitoring method sends synthetic traffic to measure availability and latency?

Passive monitoring

Correct Incorrect Correct answer

Active monitoring

Correct Incorrect Correct answer

Syslog only

Correct Incorrect Correct answer

Flow sampling only

Correct Incorrect Correct answer

Which log facility collects messages from network devices in a centralized server?

NetFlow

Correct Incorrect Correct answer

Syslog

Correct Incorrect Correct answer

SNMP traps

Correct Incorrect Correct answer

RADIUS

Correct Incorrect Correct answer

Which protocol exports metadata about traffic (source/destination/bytes) for analysis?

Syslog

Correct Incorrect Correct answer

sFlow only

Correct Incorrect Correct answer

SNMP

Correct Incorrect Correct answer

NetFlow/IPFIX

Correct Incorrect Correct answer

Which tool would you use to trace a cabling run through patch panels and walls?

Loopback plug

Correct Incorrect Correct answer

OTDR

Correct Incorrect Correct answer

Cable certifier

Correct Incorrect Correct answer

Toner and probe

Correct Incorrect Correct answer

Which virtualization concept allows multiple VMs to share a physical NIC logically?

vSwitch / virtual NICs

Correct Incorrect Correct answer

LAG only

Correct Incorrect Correct answer

SPAN

Correct Incorrect Correct answer

NIC teaming only

Correct Incorrect Correct answer

Which wireless setting reduces co‑channel interference in dense deployments?

Disable RTS/CTS

Correct Incorrect Correct answer

Proper channel planning (non‑overlapping)

Correct Incorrect Correct answer

Use WEP

Correct Incorrect Correct answer

Increase transmit power

Correct Incorrect Correct answer

Which IPv4 mask supports 254 usable hosts on a single subnet?

/23 (255.255.254.0)

Correct Incorrect Correct answer

/25 (255.255.255.128)

Correct Incorrect Correct answer

/26 (255.255.255.192)

Correct Incorrect Correct answer

/24 (255.255.255.0)

Correct Incorrect Correct answer

Which tool is best for validating a suspected MTU mismatch on a path?

Nmap

Correct Incorrect Correct answer

Telnet

Correct Incorrect Correct answer

Ping with DF bit and size

Correct Incorrect Correct answer

nslookup

Correct Incorrect Correct answer

Which protocol allows dynamic trunking negotiation and is often disabled for security?

DTP

Correct Incorrect Correct answer

VTP

Correct Incorrect Correct answer

LLDP

Correct Incorrect Correct answer

LACP

Correct Incorrect Correct answer

Which addressing method allows one public IP to serve many private clients simultaneously?

Proxy ARP

Correct Incorrect Correct answer

Static NAT

Correct Incorrect Correct answer

1:1 NAT

Correct Incorrect Correct answer

PAT (NAT overload)

Correct Incorrect Correct answer

Which OSI layer is responsible for path selection and logical addressing? (variant 1)

Layer 2 – Data Link

Correct Incorrect Correct answer

Layer 4 – Transport

Correct Incorrect Correct answer

Layer 3 – Network

Correct Incorrect Correct answer

Layer 7 – Application

Correct Incorrect Correct answer

At which OSI layer does a switch primarily operate? (variant 2)

Layer 1 – Physical

Correct Incorrect Correct answer

Layer 2 – Data Link

Correct Incorrect Correct answer

Layer 3 – Network

Correct Incorrect Correct answer

Layer 4 – Transport

Correct Incorrect Correct answer

Which device makes forwarding decisions based on IP addresses? (variant 3)

Hub

Correct Incorrect Correct answer

Switch

Correct Incorrect Correct answer

Bridge

Correct Incorrect Correct answer

Router

Correct Incorrect Correct answer

What is the default port for SSH? (variant 4)

TCP 3389

Correct Incorrect Correct answer

UDP 22

Correct Incorrect Correct answer

TCP 23

Correct Incorrect Correct answer

TCP 22

Correct Incorrect Correct answer

Which protocol translates private IP addresses to public IP addresses? (variant 5)

ICMP

Correct Incorrect Correct answer

NAT

Correct Incorrect Correct answer

ARP

Correct Incorrect Correct answer

DNS

Correct Incorrect Correct answer

What command displays the path packets take to a destination on Windows? (variant 6)

route

Correct Incorrect Correct answer

ipconfig

Correct Incorrect Correct answer

tracert

Correct Incorrect Correct answer

pathping only

Correct Incorrect Correct answer

Which cable type uses light to transmit data over long distances with immunity to EMI? (variant 7)

RG-6 coaxial

Correct Incorrect Correct answer

Fiber-optic

Correct Incorrect Correct answer

Twinax

Correct Incorrect Correct answer

Cat 6 UTP

Correct Incorrect Correct answer

What is the maximum segment length for 1000BASE-T? (variant 8)

500 meters

Correct Incorrect Correct answer

55 meters

Correct Incorrect Correct answer

2 kilometers

Correct Incorrect Correct answer

100 meters

Correct Incorrect Correct answer

Which connector is most common on twisted‑pair Ethernet cables? (variant 9)

LC

Correct Incorrect Correct answer

RJ‑45

Correct Incorrect Correct answer

BNC

Correct Incorrect Correct answer

RJ‑11

Correct Incorrect Correct answer

Which wireless standard first introduced MU‑MIMO and operates on 5 GHz? (variant 10)

802.11ax

Correct Incorrect Correct answer

802.11n

Correct Incorrect Correct answer

802.11ac

Correct Incorrect Correct answer

802.11g

Correct Incorrect Correct answer

What is the purpose of VLANs? (variant 11)

Logically segment Layer 2 networks

Correct Incorrect Correct answer

Provide NAT

Correct Incorrect Correct answer

Replace routing

Correct Incorrect Correct answer

Encrypt wireless traffic

Correct Incorrect Correct answer

CompTIA Network+ N10-009 Practice Exam (100 Questions)

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