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Homies Client Server DHCP-DNS Quiz Leggo

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Client Server DHCP-DNS

Question 1 of 41

1

What transport protocol is used by DHCP?

Select one of the following:

  • UDP

  • ARP

  • IP

  • TCP

Explanation

Question 2 of 41

1

What does ARP map an IP address to?

Select one of the following:

  • the gateway address

  • A NetBIOS name

  • the MAC address

  • A DNS name

Explanation

Question 3 of 41

1

What command you use in Linux to start DHCP service?

Select one of the following:

  • services dhcp start

  • services dhcpd start

  • service dhcp start

  • service dhcpd start

Explanation

Question 4 of 41

1

A DHCP _____________ acts as a proxy for a DHCP server.

Select one of the following:

  • Relay Agent

  • Register

  • Resource Record

  • Client

Explanation

Question 5 of 41

1

From MS Windows command line, a client's DHCP lease can be manually renewed with the _______________ command.

Select one of the following:

  • ipconfig /refresh

  • ifconfig /renew

  • ipconfig /renew

  • ifconfig /refresh

Explanation

Question 6 of 41

1

After 100% of the lease time elapsed without a renewal, the DHCP client will send out a ______________ packet on the network.

Select one of the following:

  • DHCPAck

  • DHCPRequest

  • DHCPDiscover

  • DHCPRequest Broadcast

Explanation

Question 7 of 41

1

Sometimes a client cannot find a DHCP server though it issued a DHCPDiscover packet. When this happens to clients that had no previous lease, Windows clients implement _____.

Select one of the following:

  • AIP

  • Relay Agent

  • DHCPFind

  • APIPA

Explanation

Question 8 of 41

1

To communicate across an Ethernet network, your computer must use its _____ bytes physical addresses.

Select one of the following:

  • 8

  • 12

  • 6

  • 16

Explanation

Question 9 of 41

1

In Linux, what file should you consult to check what leases had been given out from the Linux DHCP server?

Select one of the following:

  • /var/lib/dhcpd/dhcpd.leases

  • /etc/dhcpd/dhcpd.leases

  • /etc/dhcpd.leases

  • /var/log/dhcpd.leases

Explanation

Question 10 of 41

1

What is the name of the configuration file for DHCP in Linux?

Select one of the following:

  • /etc/dhcp/dhcpd.conf

  • /var/lib/dhcpd.conf

  • /usr/sbin/dhcpd.conf

  • /etc/dhcp.config

Explanation

Question 11 of 41

1

What command line utility is built into Windows system to query DNS servers?

Select one of the following:

  • dig

  • DNS active query

  • NSlookup

  • zone

Explanation

Question 12 of 41

1

Which of the following is considered a DNS alias that points to another host?

Select one of the following:

  • BNAME

  • HNAME

  • CNAME

  • PNAME

Explanation

Question 13 of 41

1

The DNS query between DNS servers is a/an _________ query.

Select one of the following:

  • Caching

  • Reverse

  • Recursive

  • Iterative

Explanation

Question 14 of 41

1

What is the host name in the DNS address cse.ucsc.edu?

Select one of the following:

  • ucsc.edu

  • ucsc

  • edu

  • cse

Explanation

Question 15 of 41

1

Which two records are created by default in a standard primary Forward DNS zone in a DNS server? (Negative marks for incorrect answer)

Select one or more of the following:

  • SOA (Start of Authority)

  • NS (Name Server)

  • PTR (Pointer Record)

  • Host (Address)

Explanation

Question 16 of 41

1

The root domain in DNS is represented by a:

Select one of the following:

  • .

  • ?

  • /

  • ,

Explanation

Question 17 of 41

1

An organization responsible for a domain may divide it into subdomain to decentralize administration.

Select one of the following:

  • True
  • False

Explanation

Question 18 of 41

1

What command line utility is added to Linux based systems to query DNS servers?

Select one of the following:

  • zone

  • DNS active query

  • NSilookup

  • dig

Explanation

Question 19 of 41

1

When will a WINS client register itself with the WINS server?

Select one of the following:

  • When the clients cache is cleared.

  • When the client is shut down.

  • When the client attempts to connect to a share.

  • When the client is started up.

Explanation

Question 20 of 41

1

You will find NetBIOS names most likely in what type of network environment?

Select one of the following:

  • All Ethernet networks

  • All TCP/IP networks

  • Any network

  • A Microsoft network

Explanation

Question 21 of 41

1

To avoid causing extra DNS traffic, increase security and save processing time you can add a static entry to your ___________.

Select one of the following:

  • ARP cache

  • WINS Configuration

  • Hosts file

  • LMHosts file

Explanation

Question 22 of 41

1

When a DNS zone information is copied to a slave or secondary DNS server, this is referred to as which of the following process?

Select one of the following:

  • host transfer

  • zone transfer

  • static transfer

  • Master transfer

Explanation

Question 23 of 41

1

Which of the following command/utilities can be used to clear the NetBIOS cache on a WINS system?

Select one of the following:

  • net use

  • nbtstat

  • ipconfig

  • net view

Explanation

Question 24 of 41

1

What command would you use from the command line to start the DNS daemon in Linux system (ex: CentOS)?

Select one of the following:

  • service named start

  • service dnsd start

  • service bind start

  • service dns start

Explanation

Question 25 of 41

1

Which DNS resource records are required to locate servers running specific services?

Select one of the following:

  • MX Records

  • NS Records

  • Host Records

  • SRV Records

Explanation

Question 26 of 41

1

What is the configuration file for DNS in Linux?

Select one of the following:

  • /etc/named.conf

  • /etc/dnsd.conf

  • /etc/bind.conf

  • /etc/dns.conf

Explanation

Question 27 of 41

1

DNS Stands for….

Select one of the following:

  • Directory Naming server

  • Domain Name System

  • Disturbing naming service

  • Distributed naming service

Explanation

Question 28 of 41

1

If the DNS server does not support ___________, then an administrator must create the host record entries manually.

Select one of the following:

  • DNS

  • NSDD

  • NS

  • DDNS

Explanation

Question 29 of 41

1

Reverse DNS zones are created within the ______________ domain.

Select one of the following:

  • in-addr.rev

  • rev-addr.arpa

  • addr.rev

  • in-addr.arpa

Explanation

Question 30 of 41

1

Like other services DNS consists of a client and a server service. The terminology used for the client is called ______.

Select one of the following:

  • Slave

  • Forwarder

  • Resolver

  • Master

Explanation

Question 31 of 41

1

Match the followings;
Primary DNS or Master

Select one of the following:

  • Authoritative for the domain

  • gets data for its zone from authoritative server through zone transfer

  • only perform queries and all queries have a TTL

Explanation

Question 32 of 41

1

Match the followings;
Cache only server

Select one of the following:

  • Authoritative for the domain

  • gets data for its zone from authoritative server through zone transfer

  • only perform queries and all queries have a TTL

Explanation

Question 33 of 41

1

Match the followings;
Secondary DNS or Slave

Select one of the following:

  • Authoritative for the domain

  • gets data for its zone from authoritative server through zone transfer

  • only perform queries and all queries have a TTL

Explanation

Question 34 of 41

1

Match the definition with its DNS resource record name,
TXT

Select one of the following:

  • comments

  • Hostname to IP mapping

  • IP address of SMTP host

  • alias for an IP with an existing A record

  • lists authoritative DNS servers for zone

  • OS type

  • IP to host lookup

  • keeps info such as TTLs, serial number, e-mail and responsible person

Explanation

Question 35 of 41

1

Match the definition with its DNS resource record name:
MX

Select one of the following:

  • comments

  • Hostname to IP mapping

  • IP address of SMTP host

  • alias for an IP with an existing A record

  • lists authoritative DNS servers for zone

  • OS type

  • IP to host lookup

  • keeps info such as TTLs, serial number, e-mail and responsible person

Explanation

Question 36 of 41

1

Match the definition with its DNS resource record name:
NS

Select one of the following:

  • comments

  • Hostname to IP mapping

  • IP address of SMTP host

  • alias for an IP with an existing A record

  • lists authoritative DNS servers for zone

  • OS type

  • IP to host lookup

  • keeps info such as TTLs, serial number, e-mail and responsible person

Explanation

Question 37 of 41

1

Match the definition with its DNS resource record name:
PTR

Select one of the following:

  • comments

  • Hostname to IP mapping

  • IP address of SMTP host

  • alias for an IP with an existing A record

  • lists authoritative DNS servers for zone

  • OS type

  • IP to host lookup

  • keeps info such as TTLs, serial number, e-mail and responsible person

Explanation

Question 38 of 41

1

Match the definition with its DNS resource record name:
A

Select one of the following:

  • comments

  • Hostname to IP mapping

  • IP address of SMTP host

  • alias for an IP with an existing A record

  • lists authoritative DNS servers for zone

  • OS type

  • IP to host lookup

  • keeps info such as TTLs, serial number, e-mail and responsible person

Explanation

Question 39 of 41

1

Match the definition with its DNS resource record name
CNAME

Select one of the following:

  • comments

  • Hostname to IP mapping

  • IP address of SMTP host

  • alias for an IP with an existing A record

  • lists authoritative DNS servers for zone

  • OS type

  • IP to host lookup

  • keeps info such as TTLs, serial number, e-mail and responsible person

Explanation

Question 40 of 41

1

Match the definition with its DNS resource record name:
SOA

Select one of the following:

  • comments

  • Hostname to IP mapping

  • IP address of SMTP host

  • alias for an IP with an existing A record

  • lists authoritative DNS servers for zone

  • OS type

  • IP to host lookup

  • keeps info such as TTLs, serial number, e-mail and responsible person

Explanation

Question 41 of 41

1

Match the definition with its DNS resource record name:
HINFO

Select one of the following:

  • comments

  • Hostname to IP mapping

  • IP address of SMTP host

  • alias for an IP with an existing A record

  • lists authoritative DNS servers for zone

  • OS type

  • IP to host lookup

  • keeps info such as TTLs, serial number, e-mail and responsible person

Explanation

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