1.Each topmost DNS node in the tree structure is described
with a(n)______.
a.alias
b.first level domain
c.subdomain
d.FQDN *
2. A_______is the client side of the DNS client-server
relationship.
a.binder
b.resolver *
c.querier
d.searcher
3.The ______domain is used to resolve IP addresses to DNS
names.
a.arp
b.rarp
c.in-addr arpa *
d.arpa-addr
1. What are the three kinds of nodes in DNS?
Root** Intermediate nodes** Leaf nodes**
2. What are the three levels of domains in DNS?
Fist-Level Domain Second-Level Domain third-Level Domain
3. What organization controls the root servers?
InterNIC**
4. What are the generic worldwide top-level domains?
com, edu, net, org, and int**
9. The upside-down trees commonly used to depict computer data
structures are called_______________.
(Answer: inverted trees page 320)
19 The three kinds nodes in the data tree are:
(Answer: Root, Intermediates nodes, and leaf nodes. page 321)
1. ____________servers enabled computers running WinSOck
applications to resolve host names easily by sending a query to a central
server.
a. DNS *
b. NT
c. Novell
d. Linux
2. _________is a white pages directory of people and
organizations on the Internet.
a. WHOIS *
b. internic
c. GTE
1._____ is a white pages directory of people and org. on the
net.
a. NDS
b.DNS
c. WHOIS<--------
2. All the files necessary it initil;ize the dns server are
a. boot files<-------
b. cache.dns
c. domain.dns
1. NT 4's DNS server can be configured in
which of the following ways ? Choose two
a. Registry ****
Boot
Configuration
BIND ****
2. What does MX record stand for ?
a. Media Exchange
Mega Exchange
Mail Exchange ****
Music Exchange
3. ______ command is used to test the DNS server.
a. NSLOOK
NSLOOKUP ****
LOOKUP
PING
Q1. A fully qualified name can uniquely identify _____ in the
tree.
a) Only Intermediate nodes
b) All the three nodes
c) Any node
Ans. (c)
Q2. The root domain is often designated with ________.
a) ("") empty quotation marks
b) (\\) two backslashes
c) (' ') single quotes
Ans. (a)
Q3. The DNS directory of the secondary name server needs
copies of the following files:
a) Lookup file
b) Cache.DNS
c) Boot files
d) 127.in-addr.arpa.dns
Ans. (b, c, & d)
Q4. Program that stores data about the domain name space and
provide that information in response to DNS queries is called ________.
a) ARP servers
b) Domain name table
c) Name servers
Ans. (c)
Q5. Top-level domains organize Internet DNS names into the
following five categories:
a) com, edu, gov, gen, fed
b) pvt, cc, arp, mil, al
c) com, edu, net, org, int
Ans. (c)
Q6. The official root name server list can be obtained by
which three ways?
a) Reverse lookup, ftp, who-is
b) Ftp, gopher, e-mail
c) Mapping, name space table, gopher
Ans. (b)
1).Choose the command used to test a DNS Sever?
a. NETLOOKUP
b. NSLOOKUP **
c. DNSLOOKUP
d. DNSSTAT
e. IPCONFIG
2).Choose all that qualify as generic worldwide top-level domains?
a. www
b. net **
c. int **
d. com **
e. port
f. edu **
g. org **
1) Which of the following is not a role for a DNS server?
a) Secondary Server
b) Cache Server
c) Primary Server
d) Internet Information Server
*
2) Which utility is used to troubleshoot DNS servers?
a) IPCONFIG
b) NETSTAT
c) Network Monitor
d) Nslookup *
1. The three kinds of nodes are:
A. Root, branch, leaf
B. Root, trunk, branch
C. Root, intermediate, branch
D. Root, intermediate, leaf. **
2. What are the five BIND Database File types?
boot, cache, loopback, reverse lookup, domain
3. __________ is when the secondary name server obtains the data from primary name server.
A. Move
B. File transfer
C. Zone transfer **
D. Copy
E. Paste
Within a DNS database, what is the record type that establishes an alias
for a host name?
a. A
b* CNAME
c. PTR
d. ALIAS
What are the three files needed by a secondary name server?
* BOOT; Cache.dns; 127.in-addr.arpa.dns
1. The ______domain is used to resolve IP addresses to DNS names.
a. arp
b. rarp
c. in-addr arpa *
d. arpa-addr
2. _________is a white pages directory of people and organizations on the
Internet.
a. WHOIS *
b. internic
c. GTE
3. Which utility is used to troubleshoot DNS servers?
a. IPCONFIG
b. NETSTAT
c. Network Monitor
d. Nslookup *