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NEST208 EXAM QUESTIONS WITH 100% VERIFIED ANSWERS
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NEST208 EXAM QUESTIONS WITH100% VERIFIED ANSWERS
Which protocol is responsible for resolving a server's name to its IP
address?
a - ARP
b DNS
c DHCP
d IPv4 - ANSWER b
Using subnet masks that can be configured regardless of the IP address
class is known as Classless Interdomain ______, or CIDR
a Re-broadcast
b Resolution
c Routing
d Repeater - ANSWER c
Which command would you use to release and renew the DHCP
address on a machine?
a ipconfig
b dhcp
c arp
d netsh - ANSWER a
Which is the physical layer address that's an integral part of a network
interface card?
a IP address
b MAC address
c DHCP address
d Source address - ANSWER b
,Which IP network address expressed in CIDR notation can support a
maximum of 1022 hosts?
a) 172.29.128.0/18
b) 192.168.100.64/26
c) 172.16.4.0/22
d) 10.100.44.0/24 - ANSWER c
Which of the following IP addresses will be delivered to all the
computers on the local network?
a) 10.1.240.255/24
b) 175.16.1.1/16
c) 10.1.254.255/16
d) 10.255.150.255/8 - ANSWER a
In a DNS database zone, which resource record consists of a computer
name and IPv4 address?
a. CNAME
b. Host (A)
c. Alias
d. SOA - ANSWER b
Which is a DNS server to which other DNS servers and requests
targeted for a specific domain?
a. Authoritative server
b. Domain forwarder
c. Caching-only server
d. Conditional forwarder - ANSWER d
What is the name of a DNS server that maintains the addresses of other
DNS servers within a top-level domain?
a. Root server
b. Authoritative server
c. Top-level domain server
,d. Fully qualified name server - ANSWER c
How many DNS root servers are there in the world?
a. 1
b. 13
c. Hundreds
d. Thousands - ANSWER b
Which record, found in every zone, contains information that identifies
the server primarily responsible for the zone?
a. Host record
b. Canonical Name record
c. Service location record
d. Start of authority record - ANSWER d
What is the output of the following command:
"netsh interface ipv4 add dns Ethernet 192.168.0.4 index=2"
a. Installs a new dns server with the IP address 192.168.0.4
b. Sets the network connection called Ethernet to use 192.168.0.4 as the
DNS server
c. Creates a new Ethernet connection named dns with IP address
192.168.0.4
d. Installs an alternate dns server with the IP address 192.168.0.4 -
ANSWER a
Which of the following files contains the root DNS mapping?
a. CacheDNS.xml
b. Cache.dns
c. Cache.txt
d. Cache.xml - ANSWER b
Your organization spans multiple geographical locations. The name
resolution is happening with a single DNS zone for the entire
, organization. Which of the following is likely to happen if you continue
with the single DNS zone? [Choose all that apply.]
a. Administrative burden
b. Higher security
c. Granular application of policies
d. Centralized management
e. Name resolution traffic goes to the single zone - ANSWER a, d, e
What should you do if you have a single large namespace that caters to
multiple branch offices? [Choose all that apply.]
a. Split it into multiple smaller namespaces
b. Delegate access to the branch administrators on the single
namespace
c. Delegate each zone to the DNS server to maintain the resource
records (RRs)
d. Keep it centralized for ease of management - ANSWER a, c
What are some of the key factors that DNS policies that define how a
DNS responds to DNS queries? [Choose all that apply.]
a. Transport protocol
b. Server type
c. Number of queries
d. Subnet
e. Time of day
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