COMPTIA NETWORK+ PRACTICE EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS | ALREADY GRADED A+<RECENT VERSION>

COMPTIA NETWORK+ PRACTICE EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS | ALREADY GRADED A+&lt;RECENT VERSION&gt; 1) HTTPS - ANSWER TCP Port 443 2) SSH - ANSWER TCP Port 22 3) DNS - ANSWER TCP/UDP Port 53 4) HTTP - ANSWER TCP Port 80 5) RDP - ANSWER TCP Port 3389 6) SNMP - ANSWER UDP Port 161 7) LDAP - ANSWER TCP/UDP Port 389 8) Network Layer - ANSWER Layer 3 9) Data Link Layer - ANSWER Layer 2 10) Presentation Layer - ANSWER Layer 6 11) Transport Layer - ANSWER Layer 4 12) Router - ANSWER Device that connects different networks together 13) Switch - ANSWER Device that forwards traffic within the same network 14) Spanning Tree Protocol (STP) - ANSWER Used to prevent loops in a switched network 15) Ipconfig - ANSWER Command that displays IP configuration on Windows 16) Ping - ANSWER Command that tests connectivity to another IP 17) Tracert / traceroute - ANSWER Command that traces the path packets take 18) Nslookup - ANSWER Command that queries DNS servers 19) Netstat - ANSWER Command that shows current network connections 20) DHCP - ANSWER Dynamic Host Configuration Protocol 21) DNS - ANSWER Domain Name System 22) Private IP range for Class A - ANSWER 10.0.0.0 to 10.255.255.255 23) Private IP range for Class B - ANSWER 172.16.0.0 to 172.31.255.255 24) Private IP range for Class C - ANSWER 192.168.0.0 to 192.168.255.255 25) SCP - ANSWER Protocol used to securely copy files over SSH 26) 802.11ax (Wi-Fi 6) - ANSWER Wireless standard that introduced OFDMA 27) Maximum cable length for Ethernet (Cat5e) - ANSWER 100 meters 28) WPA3 - ANSWER Provides enhanced wireless security 29) Firewall - ANSWER Blocks or allows network traffic based on rules 30) Split tunneling - ANSWER VPN feature that allows local traffic to bypass the tunnel 31) NAT - ANSWER Translates private IP addresses to public IP addresses 32) Default gateway - ANSWER Router IP that forwards traffic to other networks 33) Saas - ANSWER Cloud service model that delivers full applications 34) Paas - ANSWER Cloud service model that provides platforms for developers 35) Iaas - ANSWER Cloud service model that provides virtual machines 36) SD-WAN - ANSWER Used to optimize and securely manage WAN traffic 37) Zero Trust security - ANSWER Assumes no device/user is trusted by default 38) DMZ - ANSWER Exposes public services while protecting internal network 39) Transport Layer - ANSWER Layer responsible for end-to-end delivery 40) Proxy server - ANSWER Main purpose is to forward and cache web requests 41) WEP - ANSWER Outdated and insecure wireless encryption protocol 42) NAT (Network Address Translation) - ANSWER Process of hiding internal IP addresses 43) 802.1Q - ANSWER Standard for VLAN trunking 44) EAP-TLS - ANSWER Uses digital certificates for authentication 45) SIEM - ANSWER Security Information and Event Management 46) Ping - ANSWER Tool that measures round-trip time to another device 47) Maximum speed of 802.11ac Wi-Fi - ANSWER Up to 6.9 Gbps 48) VLAN - ANSWER Technology that creates multiple virtual networks on the same physical infrastructure 49) Wireless range for 2.4 ghz - ANSWER Up to 150 feet indoors 50) 802.11n - ANSWER Operates on 2.4 ghz and 5 ghz frequency bands 51) AAA - ANSWER Authentication, Authorization, Accounting 52) SSH - ANSWER Protocol used for secure remote login 53) Evil Twin Attack - ANSWER Wireless attack that involves creating a fake access point 54) ICMP - ANSWER Protocol used by ping 55) FTP - ANSWER Uses TCP Ports 20 and 21 56) MAC flooding - ANSWER Attack where MAC addresses are rapidly flooded into a switch 57) Ipconfig /release and ipconfig /renew - ANSWER Command that can release and renew a DHCP lease 58) STP (Spanning Tree Protocol) - ANSWER Technology that prevents broadcast storms on a switch 59) Load balancer - ANSWER Distributes network traffic across multiple servers 60) CIDR notation for a subnet mask of 255.255.255.0 - ANSWER /24 61) Failover - ANSWER Backup internet link that only activates if the main link fails 62) Bandwidth - ANSWER Term for the amount of data that can be transferred in a given time 63) Fiber optic cable - ANSWER Which device is best to extend a network over long distances with no signal loss? 64) Access control list (ACL) - ANSWER What is the purpose of an access control list (ACL)? 65) SMTP - ANSWER What port does SMTP use? 66) VLAN - ANSWER What is the main purpose of a VLAN? 67) WPA2-Enterprise - ANSWER Which wireless authentication method uses a RADIUS server? 68) TCP vs UDP - ANSWER What is the primary difference between TCP and UDP? 69) ARP - ANSWER What protocol is used to resolve IP addresses to MAC addresses? 70) VPN concentrator - ANSWER What network device can create VPN tunnels? 71) Network tap - ANSWER What is the function of a network tap? 72) FTPS - ANSWER Which protocol is used to transfer files securely using SSL/TLS? 73) MTTR - ANSWER What is the meaning of MTTR? 74) OTDR - ANSWER Which tool would you use to identify a break in a fiber optic cable? 75) Multilayer Switch - ANSWER Which device can operate at both Layer 2 and Layer 3? 76) Ransomware - ANSWER What is the name for malware that locks a user's files until a ransom is paid? 77) 802.11ax (Wi-Fi 6) - ANSWER What is the maximum theoretical speed of 802.11ax (Wi-Fi 6)? 78) Community Cloud - ANSWER Which cloud deployment model is shared by several organizations? 79) TFTP - ANSWER What does the T in TFTP stand for? 80) Stateful Firewall - ANSWER What type of firewall monitors traffic and blocks based on stateful inspection? 81) Site-to-Site VPN - ANSWER Which VPN type connects two private networks together? 82) Biometrics - ANSWER Which authentication method requires something you are? 83) Replay Attack - ANSWER What type of attack involves resending captured network traffic? 84) Wireless Scanner - ANSWER What tool can be used to detect rogue access points? 85) A record - ANSWER What type of DNS record maps a domain name to an IP address? 86) CNAME record - ANSWER What type of DNS record points one domain name to another? 87) NTP (Network Time Protocol) - ANSWER Which service ensures all devices have the same time on the network? 88) Load balancer - ANSWER What is an example of a Layer 7 device? 89) 5 ghz - ANSWER Which wireless frequency has less interference but shorter range? 90) Attenuation - ANSWER What does the term attenuation refer to? 91) Type 1 Hypervisor - ANSWER Which type of hypervisor runs directly on hardware without an OS?