Info

Explanation:

192.168.1.0 & 192.168.1.255 are broadcast addresses, and would not be used.

192.168.1.1 - existing servers are 1-10, so this address is already in use.

192.168.1.58 - is already in the scope (remember that 1-55 are excluded, so 56-254 are dynamic and can't be used unless a reservation is set).

192.168.1.25 - is the only usable & available address left!

QUESTION 9 You are the network administrator for Certkiller. The network consists of a single Active Directory domain Certkiller.com. All domain controllers have the DNS service installed. You configure a new UNIX server to act as a secondary DNS server that is authoritative for the DNS zone. You create a host (A) record for the UNIX server in the DNS zone. You configure the DNS zone to allow zone transfers to all servers. You need to configure the DNS zone to accommodate the new UNIX server. What should you do?

A. Add a name server (NS) resource record for the UNIX server to the DNS zone.

B. Add the UNIX server to the start of authority (SOA) resource record for the DNS zone.

C. Add a global service locator (SRV) resource record that includes the UNIX server as a host.

D. Add a LDAP service locator (SRV) resource record that includes the UNIX server as a host. Answer: A

Explanation: When adding DNS servers to the domain, you must add an NS (Name Server) record to the zone. NS.

Description: Used to map a DNS domain name as specified in owner to the name of hosts operating DNS servers specified in the name_server_domain_name field. Syntax: owner ttl IN NS name_server_domain_name.

Example: example.microsoft.com. IN NS nameserver1.example.microsoft.com.

QUESTION 10 You are the network administrator for Certkiller. The network consists of a single Active Directory domain named Certkiller.com. The domain DNS servers are configured as shown in the following table.

Server name

IP address

Server operating system

Server role

DNS role

Certkiller

10.10,1.222

Windows Server 2003

Domain Controller

Standard primary

Certkiller

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