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Client Server DHCP-DNS

Descripción

Homies Client Server DHCP-DNS Quiz Leggo
cloud3413
Test por cloud3413, actualizado hace más de 1 año
cloud3413
Creado por cloud3413 hace más de 9 años
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Resumen del Recurso

Pregunta 1

Pregunta
What transport protocol is used by DHCP?
Respuesta
  • UDP
  • ARP
  • IP
  • TCP

Pregunta 2

Pregunta
What does ARP map an IP address to?
Respuesta
  • the gateway address
  • A NetBIOS name
  • the MAC address
  • A DNS name

Pregunta 3

Pregunta
What command you use in Linux to start DHCP service?
Respuesta
  • services dhcp start
  • services dhcpd start
  • service dhcp start
  • service dhcpd start

Pregunta 4

Pregunta
A DHCP _____________ acts as a proxy for a DHCP server.
Respuesta
  • Relay Agent
  • Register
  • Resource Record
  • Client

Pregunta 5

Pregunta
From MS Windows command line, a client's DHCP lease can be manually renewed with the _______________ command.
Respuesta
  • ipconfig /refresh
  • ifconfig /renew
  • ipconfig /renew
  • ifconfig /refresh

Pregunta 6

Pregunta
After 100% of the lease time elapsed without a renewal, the DHCP client will send out a ______________ packet on the network.
Respuesta
  • DHCPAck
  • DHCPRequest
  • DHCPDiscover
  • DHCPRequest Broadcast

Pregunta 7

Pregunta
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 _____.
Respuesta
  • AIP
  • Relay Agent
  • DHCPFind
  • APIPA

Pregunta 8

Pregunta
To communicate across an Ethernet network, your computer must use its _____ bytes physical addresses.
Respuesta
  • 8
  • 12
  • 6
  • 16

Pregunta 9

Pregunta
In Linux, what file should you consult to check what leases had been given out from the Linux DHCP server?
Respuesta
  • /var/lib/dhcpd/dhcpd.leases
  • /etc/dhcpd/dhcpd.leases
  • /etc/dhcpd.leases
  • /var/log/dhcpd.leases

Pregunta 10

Pregunta
What is the name of the configuration file for DHCP in Linux?
Respuesta
  • /etc/dhcp/dhcpd.conf
  • /var/lib/dhcpd.conf
  • /usr/sbin/dhcpd.conf
  • /etc/dhcp.config

Pregunta 11

Pregunta
What command line utility is built into Windows system to query DNS servers?
Respuesta
  • dig
  • DNS active query
  • NSlookup
  • zone

Pregunta 12

Pregunta
Which of the following is considered a DNS alias that points to another host?
Respuesta
  • BNAME
  • HNAME
  • CNAME
  • PNAME

Pregunta 13

Pregunta
The DNS query between DNS servers is a/an _________ query.
Respuesta
  • Caching
  • Reverse
  • Recursive
  • Iterative

Pregunta 14

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

Pregunta 15

Pregunta
Which two records are created by default in a standard primary Forward DNS zone in a DNS server? (Negative marks for incorrect answer)
Respuesta
  • SOA (Start of Authority)
  • NS (Name Server)
  • PTR (Pointer Record)
  • Host (Address)

Pregunta 16

Pregunta
The root domain in DNS is represented by a:
Respuesta
  • .
  • ?
  • /
  • ,

Pregunta 17

Pregunta
An organization responsible for a domain may divide it into subdomain to decentralize administration.
Respuesta
  • True
  • False

Pregunta 18

Pregunta
What command line utility is added to Linux based systems to query DNS servers?
Respuesta
  • zone
  • DNS active query
  • NSilookup
  • dig

Pregunta 19

Pregunta
When will a WINS client register itself with the WINS server?
Respuesta
  • 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.

Pregunta 20

Pregunta
You will find NetBIOS names most likely in what type of network environment?
Respuesta
  • All Ethernet networks
  • All TCP/IP networks
  • Any network
  • A Microsoft network

Pregunta 21

Pregunta
To avoid causing extra DNS traffic, increase security and save processing time you can add a static entry to your ___________.
Respuesta
  • ARP cache
  • WINS Configuration
  • Hosts file
  • LMHosts file

Pregunta 22

Pregunta
When a DNS zone information is copied to a slave or secondary DNS server, this is referred to as which of the following process?
Respuesta
  • host transfer
  • zone transfer
  • static transfer
  • Master transfer

Pregunta 23

Pregunta
Which of the following command/utilities can be used to clear the NetBIOS cache on a WINS system?
Respuesta
  • net use
  • nbtstat
  • ipconfig
  • net view

Pregunta 24

Pregunta
What command would you use from the command line to start the DNS daemon in Linux system (ex: CentOS)?
Respuesta
  • service named start
  • service dnsd start
  • service bind start
  • service dns start

Pregunta 25

Pregunta
Which DNS resource records are required to locate servers running specific services?
Respuesta
  • MX Records
  • NS Records
  • Host Records
  • SRV Records

Pregunta 26

Pregunta
What is the configuration file for DNS in Linux?
Respuesta
  • /etc/named.conf
  • /etc/dnsd.conf
  • /etc/bind.conf
  • /etc/dns.conf

Pregunta 27

Pregunta
DNS Stands for….
Respuesta
  • Directory Naming server
  • Domain Name System
  • Disturbing naming service
  • Distributed naming service

Pregunta 28

Pregunta
If the DNS server does not support ___________, then an administrator must create the host record entries manually.
Respuesta
  • DNS
  • NSDD
  • NS
  • DDNS

Pregunta 29

Pregunta
Reverse DNS zones are created within the ______________ domain.
Respuesta
  • in-addr.rev
  • rev-addr.arpa
  • addr.rev
  • in-addr.arpa

Pregunta 30

Pregunta
Like other services DNS consists of a client and a server service. The terminology used for the client is called ______.
Respuesta
  • Slave
  • Forwarder
  • Resolver
  • Master

Pregunta 31

Pregunta
Match the followings; Primary DNS or Master
Respuesta
  • Authoritative for the domain
  • gets data for its zone from authoritative server through zone transfer
  • only perform queries and all queries have a TTL

Pregunta 32

Pregunta
Match the followings; Cache only server
Respuesta
  • Authoritative for the domain
  • gets data for its zone from authoritative server through zone transfer
  • only perform queries and all queries have a TTL

Pregunta 33

Pregunta
Match the followings; Secondary DNS or Slave
Respuesta
  • Authoritative for the domain
  • gets data for its zone from authoritative server through zone transfer
  • only perform queries and all queries have a TTL

Pregunta 34

Pregunta
Match the definition with its DNS resource record name, TXT
Respuesta
  • 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

Pregunta 35

Pregunta
Match the definition with its DNS resource record name: MX
Respuesta
  • 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

Pregunta 36

Pregunta
Match the definition with its DNS resource record name: NS
Respuesta
  • 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

Pregunta 37

Pregunta
Match the definition with its DNS resource record name: PTR
Respuesta
  • 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

Pregunta 38

Pregunta
Match the definition with its DNS resource record name: A
Respuesta
  • 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

Pregunta 39

Pregunta
Match the definition with its DNS resource record name CNAME
Respuesta
  • 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

Pregunta 40

Pregunta
Match the definition with its DNS resource record name: SOA
Respuesta
  • 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

Pregunta 41

Pregunta
Match the definition with its DNS resource record name: HINFO
Respuesta
  • 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
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