Michael Marcus
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70-411 college exam

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Michael Marcus
Criado por Michael Marcus mais de 8 anos atrás
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Quiz 9&10

Questão 1 de 32

1

What is another designation for an Alias

Selecione uma das seguintes:

  • a host or A record

  • canonical name or CNAME

  • pointer or PTR record

  • Name Server or NS record

Explicação

Questão 2 de 32

1

What does Time to Live (TTL) mean in DNS parlance?

Selecione uma das seguintes:

  • the length of time it takes a DNS query to process

  • the length of time required to process an iterative query

  • the length of time between zone updates

  • the length of time a record remains in DNS cache

Explicação

Questão 3 de 32

1

What is the primary advantage to enabling round-robin DNS?

Selecione uma das seguintes:

  • load balancing

  • speed

  • efficiency

  • fault tolerance

Explicação

Questão 4 de 32

1

What does issuing the nslookup command with no parameters do on your system?

Selecione uma das seguintes:

  • It returns an error: Missing paramter

  • It places you into nslookup's interactive mode

  • It returns you to a prompt with no result

  • It displays your DNS query cache

Explicação

Questão 5 de 32

1

You can use the dnscmd command to create zones. What other tasks can you perform with it?

Selecione uma das seguintes:

  • delete resource records

  • start/stop the DNS service

  • perform name service queries

  • install DNS services

Explicação

Questão 6 de 32

1

Which DNS record contains the serial number for the zone?

Selecione uma das seguintes:

  • NS record

  • A record

  • PTR record

  • SOA record

Explicação

Questão 7 de 32

1

How are routing tables created dynamically?

Selecione uma das seguintes:

  • through the use of RIP

  • with static routes

  • by using the routing table protocol (RTP)

  • by using a layer 2 switch

Explicação

Questão 8 de 32

1

Which authentication protocol allows you to change an expired password during the connection process?

Selecione uma das seguintes:

  • PAP

  • CHAP

  • MS-CHAPv2

  • EAP-MS-CHAPv2

Explicação

Questão 9 de 32

1

Why are phone lines and ISDM not used today for remote access services (RAS)?

Selecione uma das seguintes:

  • They're too expensive

  • They're not secure enough

  • They create dedicated access

  • They no longer supply acceptable bandwidth

Explicação

Questão 10 de 32

1

How is data verified when transferred through the Internet?

Selecione uma das seguintes:

  • by cryptogrpahic checksum

  • by RAS callback options

  • by correct firewall settings

  • by using PPTP for VPN connections

Explicação

Questão 11 de 32

1

When is it appropriate to use Windows Server 2012 as a router between two networks?

Selecione uma das seguintes:

  • for heavy traffic on large networks

  • for heavy traffic on small networks

  • for light traffic on large networks

  • for light traffic on small networks

Explicação

Questão 12 de 32

1

For Dial-up RAS connectivity, what is the most secure setting to use?

Selecione uma das seguintes:

  • deny access

  • a static IP address

  • verify caller ID

  • always call back to a particular number

Explicação

Questão 13 de 32

1

How can you force a system to update its DNS record?

Selecione uma das seguintes:

  • Change IP addresses

  • Disable/enable the NIC

  • Execute ipconfig /flushdns

  • Execute ipconfig /registerdns

Explicação

Questão 14 de 32

1

In Windows Server 2012 R2, what is used as a reverse proxy?

Selecione uma das seguintes:

  • Web Application proxy

  • Reverse Lookup

  • AD FS proxy

  • Reverse Web

Explicação

Questão 15 de 32

1

If you have a server named server1.blah.com, want to use it as your web server, and have requests point to www.blah.com what kind of DNS record would you create?

Selecione uma das seguintes:

  • an A record

  • a CNAME record

  • a PTR record

  • an NS record

Explicação

Questão 16 de 32

1

Which VPN protocol provides constant connectivity?

Selecione uma das seguintes:

  • L2TP

  • IKEv2

  • SSTP

  • PPTP

Explicação

Questão 17 de 32

1

What is the first thing to check when troubleshooting VPN problems?

Selecione uma das seguintes:

  • network connectivity

  • usernames and passwords

  • DNS lookups

  • firewall settings

Explicação

Questão 18 de 32

1

Why use a VPN for client-to-server connections over the Internet?

Selecione uma das seguintes:

  • VPN traffic is protected by a firewall

  • VPN traffic is encrypted

  • VPN traffic goes undetected on the Internet

  • VPN traffic is proxy-proof

Explicação

Questão 19 de 32

1

Before creating PTR records, what DNS objects must you create?

Selecione uma das seguintes:

  • reverse lookup zones

  • CNAME records

  • SOA records

  • NS records

Explicação

Questão 20 de 32

1

If you have corrected a DNS server problem, such as renamed a system or changed its IP address, but your local system still attempts to connect to the old system, what can you do to obtain the new information from the DNS server quickly?

Selecione uma das seguintes:

  • Reboot

  • Disable/enable the NIC

  • Clear the DNS cache on the DNS server

  • Execute ipconfig /flushdns.

Explicação

Questão 21 de 32

1

Which of the following is an example of an SRV record?

Selecione uma das seguintes:

  • DNS server

  • AD server

  • mail server

  • web server

Explicação

Questão 22 de 32

1

A Start of Authority record specifies what kind of information about a zone?

Selecione uma das seguintes:

  • a list of host or A name

  • a list of canonical (CNAME) records

  • the zone serial number

  • a reverse lookup record

Explicação

Questão 23 de 32

1

which of the following is correct for querying a PTR record?

Selecione uma das seguintes:

  • nslookup Microsoft.com

  • nslookup www.technet.com

  • nslookup server1

  • nslookup 192.160.3.50

Explicação

Questão 24 de 32

1

What is the purpose of a priority number in MX records?

Selecione uma das seguintes:

  • to set delivery priority

  • to designate primary, secondary and so forth , mail servers

  • for fault tolerance

  • for mail-routing preference

Explicação

Questão 25 de 32

1

Which command do you use to verify local DNS settings?

Selecione uma das seguintes:

  • nslookup <dns_servername>

  • ipconfig / all

  • ping localhost

  • tracert <dns_servername>

Explicação

Questão 26 de 32

1

Which authentication method is weakest (least secure)?

Selecione uma das seguintes:

  • PAP

  • CHAP

  • MS-CHAPv2

  • EAP-MS-CHAPv2

Explicação

Questão 27 de 32

1

Why would you set Verify Caller ID on a remote dial-up connection for a user?

Selecione uma das seguintes:

  • for enhanced security

  • because you don't trust the user

  • because you want users to call in only from specific numbers

  • because it's the default setting

Explicação

Questão 28 de 32

1

What term is defined as private data placed in a packet with a header containing routing information that allows the data to traverse a transit network, such as the Internet?

Selecione uma das seguintes:

  • routing

  • VPN

  • encapsulation

  • tunneling

Explicação

Questão 29 de 32

1

What special hardware configuration should a RAS server have?

Selecione uma das seguintes:

  • two network interface cards

  • a dedicated phone line

  • a dedicated internet connection

  • secure access to the internet

Explicação

Questão 30 de 32

1

Which Windows Server 2012 R2 server role is used to install the Web Application proxy for AD FS?

Selecione uma das seguintes:

  • AD FS

  • remote access

  • remote desktop

  • web service

Explicação

Questão 31 de 32

1

Setting up a NAT gateway is an excellent way to provide Internet access to a LAN. What is the best reason for setting up Internet access via NAT?

Selecione uma das seguintes:

  • to allow multiple computers access to the internet

  • to provide a type of firewall for a group of computers

  • to provide proxy services to a LAN

  • to use private IP addresses on the LAN

Explicação

Questão 32 de 32

1

When would you want to use a split tunnel for users?

Selecione uma das seguintes:

  • if your users work only from the office

  • if your users might compromise security by browsing to insecure sites

  • if your users have laptop computers and work from home or office

  • if your users often need remote assistance

Explicação

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