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Free 202-450 Exam Braindumps
Linux Professional Institute Questions 26–30 (page: 7)

Updated On: 9-Feb-2026
Page 7 of 25
PDF with 120 Questions

Which of the following DNS records could be a glue record?

  1. ns1.lab A 198.51.100.53
  2. lab NS 198.51.100.53
  3. ns1.lab NS 198.51.100.53
  4. ns1. A 198.51.100.53
  5. ns1.lab GLUE 198.51.100.53

Answer(s): A



What is DNSSEC used for?

  1. Encrypted DNS queries between nameservers
  2. Cryptographic authentication of DNS zones
  3. Secondary DNS queries for local zones
  4. Authentication of the user that initiated the DNS query
  5. Encrypting DNS queries and answers

Answer(s): B



What word is missing from the following excerpt of a named.conf file?

  1. networks
  2. net
  3. list
  4. acl
  5. group

Answer(s): D



In a BIND zone file, what does the @ character indicate?

  1. It’s the fully qualified host name of the DNS server
  2. It’s an alias for the e-mail address of the zone master
  3. It’s the name of the zone as defined in the zone statement in named.conf
  4. It’s used to create an alias between two CNAME entries

Answer(s): C



Which BIND option should be used to limit the IP addresses from which slave name servers may connect?

  1. allow-zone-transfer
  2. allow-transfer
  3. allow-secondary
  4. allow-slaves
  5. allow-queries

Answer(s): B



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