TEST 2026 COMPLETE QUESTIONS AND
CORRECT ANSWERS
◉ The five steps of (1) obtaining logical addresses, (2) obtaining
physical addresses, (3) establishing a connection between
applications, (4) the transfer of information, and (5) the termination
of the connection are necessary to accomplish what?
Answer: The transfer of information across a transmission control
protocol/Internet protocol (TCP/IP) network.
◉ Where does the Domain Name System (DNS) namespace begin?
Answer: Root domains.
◉ The maximum Domain Name System (DNS) domain name length
is how many bytes?
Answer: 255.
◉ Zones maintain domain name information in which record types?
Answer: Resource records.
,◉ Which of the following Dynamic Host Configuration Protocol
(DHCP) codes carries vendor-specific options in a private network?
Answer: Codes 128-256.
◉ At which point in the Dynamic Host Configuration Protocol
(DHCP) lease period does the client first attempt to renew its lease?
Answer: At 50% of the original lease time.
◉ What is the correct destination of a user datagram protocol (UDP)
port number for a DHCPDISCOVER message?
Answer: 67.
◉ When network address translation (NAT) uses IP (Internet
protocol) address translation, it assigns external addresses to
internal devices in which way?
Answer: It assigns the internal address to one of a pool of external
addresses.
◉ Which statement best describes network address translation
(NAT) masquerading?
Answer: It hides all internal addresses behind one external address.
◉ What does the Domain Name System (DNS) allow users to do?
Answer: Distinguish between two similar names.
, ◉ What is the Dynamic Host Configuration Protocol (DHCP)
client/server components?
Answer: The client requests parameters and the server provides the
parameters.
◉ A router makes its packet forwarding decision based on what
information?
Answer: The router's routing table.
◉ On which network type is a static route best used?
Answer: Stub routing.
◉ Which network address represents a default route?
Answer: 0.0.0.0/0.
◉ Which router protocol type shares routing information within the
autonomous system (AS)?
Answer: Interior Gateway Protocol (IGP).
◉ Distance Vector Algorithms (DVA) operate in which manner?
Answer: They advertise their routing tables to directly connected
neighbor routers.