CompTia network+ n10-008 UPDATED ACTUAL Questions and
CORRECT Answers
1. UDP 67, UDP 68 Which Layer 4 protocol and TWO ports does DHCP use?
2. ICMP Which Layer 3 protocol is commonly used to test network connectivity?
3. 25 What TCP port does unencrypted SMTP use?
4. 2.4 and 5 GHz What are the two basic frequencies for Wi-Fi?
5. Ethernet Which Layer 2 protocol is most commonly used in LANs?
6. TCP, UDP, IP, ICMP, IGMP, What are the 6 core protocols in the TCP/IP suite?
ARP
7. Application, Presenta- What are the 7 OSI layers in order, from top to bottom?
tion, Session, Transport,
Network, Data Link, Phys-
ical
8. Baseline What word describes the minimum acceptable security or perfor-
mance level for a network?
9. /23 If you were to supernet two /24 networks together, what would their
combined subnet mask be in CIDR?
10. switchport What type of port defines the boundary of a collision domain?
11. /16 What is the default subnet mask for a Class B network?
12. Spanning Tree Protocol What protocol seeks to stop switching loops by blocking redundant
(STP) ports?
13. router What defines the boundary of a broadcast domain?
14. MAC table Between a MAC table and an ARP table, which one includes the phys-
ical port number?
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, 15. CNAME What type of DNS record is an alias for an A record?
16. OSPF Which popular routing protocol is a link state protocol?
17. Trunk link What type of link can you use to extend a VLAN across multiple switch-
es?
18. BGP Which popular routing protocol is a exterior gateway protocol?
19. Router advertisement In IPv6, what does a router use to inform a client of the network prefix?
20. Diffserv Which QoS mechanism embeds traflc priority in an IP header?
21. 802.1q What IEEE designation is used for VLAN trunking?
22. D, E Which two IPv4 address classes do not use a subnet mask?
23. Ring In which network topology is every node a repeater?
24. Mesh An Ad-hoc wireless network uses which type of network topology?
25. Data Link / Layer 2 At what OSI Layer are most LAN and WAN protocols defined?
26. GSM Which cellular technology is pretty much world-wide in implementa-
tion?
27. Cold site A type of physical backup location that has electrical power and phys-
ical security, but not much else.
28. Server Message Block Which Layer 7 protocol is the common Microsoft File and Print proto-
(SMB) col?
29. Scope options What do you configure in DHCP to add the address of the default
gateway and DNS server?
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CORRECT Answers
1. UDP 67, UDP 68 Which Layer 4 protocol and TWO ports does DHCP use?
2. ICMP Which Layer 3 protocol is commonly used to test network connectivity?
3. 25 What TCP port does unencrypted SMTP use?
4. 2.4 and 5 GHz What are the two basic frequencies for Wi-Fi?
5. Ethernet Which Layer 2 protocol is most commonly used in LANs?
6. TCP, UDP, IP, ICMP, IGMP, What are the 6 core protocols in the TCP/IP suite?
ARP
7. Application, Presenta- What are the 7 OSI layers in order, from top to bottom?
tion, Session, Transport,
Network, Data Link, Phys-
ical
8. Baseline What word describes the minimum acceptable security or perfor-
mance level for a network?
9. /23 If you were to supernet two /24 networks together, what would their
combined subnet mask be in CIDR?
10. switchport What type of port defines the boundary of a collision domain?
11. /16 What is the default subnet mask for a Class B network?
12. Spanning Tree Protocol What protocol seeks to stop switching loops by blocking redundant
(STP) ports?
13. router What defines the boundary of a broadcast domain?
14. MAC table Between a MAC table and an ARP table, which one includes the phys-
ical port number?
1/6
, 15. CNAME What type of DNS record is an alias for an A record?
16. OSPF Which popular routing protocol is a link state protocol?
17. Trunk link What type of link can you use to extend a VLAN across multiple switch-
es?
18. BGP Which popular routing protocol is a exterior gateway protocol?
19. Router advertisement In IPv6, what does a router use to inform a client of the network prefix?
20. Diffserv Which QoS mechanism embeds traflc priority in an IP header?
21. 802.1q What IEEE designation is used for VLAN trunking?
22. D, E Which two IPv4 address classes do not use a subnet mask?
23. Ring In which network topology is every node a repeater?
24. Mesh An Ad-hoc wireless network uses which type of network topology?
25. Data Link / Layer 2 At what OSI Layer are most LAN and WAN protocols defined?
26. GSM Which cellular technology is pretty much world-wide in implementa-
tion?
27. Cold site A type of physical backup location that has electrical power and phys-
ical security, but not much else.
28. Server Message Block Which Layer 7 protocol is the common Microsoft File and Print proto-
(SMB) col?
29. Scope options What do you configure in DHCP to add the address of the default
gateway and DNS server?
2/6
