Q1. Which DNS record type maps a hostname to an IPv6 address?
- A.AAAA✓ Correct
- B.A
- C.MX
- D.PTR only
Explanation: AAAA records map hostnames to IPv6 addresses. Learn more.
CompTIA Network+ Practice Questions: Network Services
5 free, exam-style CompTIA Network+ (N10-009) practice questions covering Network Services, each with the correct answer and an explanation. Start a timed exam below, or scroll on to read through the questions.
Network Services practice questions
Answers and explanations are shown. Take the timed exam above to test yourself first.
Q2. Which service automatically assigns IP configuration to clients?
- A.DHCP✓ Correct
- B.NAT
- C.SNMP
- D.BGP
Explanation: Dynamic Host Configuration Protocol leases IP addresses and related settings to clients. Learn more.
Q3. Which NAT type maps many internal private addresses to one public address using ports?
- A.PAT✓ Correct
- B.Static NAT
- C.One-to-one NAT only
- D.NAT64 only
Explanation: Port Address Translation allows many hosts to share one public IP address by tracking port numbers. Learn more.
Q4. Which DNS record is used to identify mail servers for a domain?
- A.MX✓ Correct
- B.AAAA
- C.PTR
- D.TXT only
Explanation: MX records identify mail exchangers responsible for receiving mail for a domain. Learn more.
Q5. Which protocol is used to synchronize time across network devices?
- A.NTP✓ Correct
- B.SNMP
- C.SMTP
- D.LDAP
Explanation: Network Time Protocol (NTP) synchronizes clocks across devices on a network, which is critical for accurate logging, certificate validation, and authentication protocols like Kerberos. Learn more.
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