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Quiz 9&10

Description

70-411 college exam
Michael Marcus
Quiz by Michael Marcus, updated more than 1 year ago
Michael Marcus
Created by Michael Marcus over 6 years ago
108
1

Resource summary

Question 1

Question
What is another designation for an Alias
Answer
  • a host or A record
  • canonical name or CNAME
  • pointer or PTR record
  • Name Server or NS record

Question 2

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

Question 3

Question
What is the primary advantage to enabling round-robin DNS?
Answer
  • load balancing
  • speed
  • efficiency
  • fault tolerance

Question 4

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

Question 5

Question
You can use the dnscmd command to create zones. What other tasks can you perform with it?
Answer
  • delete resource records
  • start/stop the DNS service
  • perform name service queries
  • install DNS services

Question 6

Question
Which DNS record contains the serial number for the zone?
Answer
  • NS record
  • A record
  • PTR record
  • SOA record

Question 7

Question
How are routing tables created dynamically?
Answer
  • through the use of RIP
  • with static routes
  • by using the routing table protocol (RTP)
  • by using a layer 2 switch

Question 8

Question
Which authentication protocol allows you to change an expired password during the connection process?
Answer
  • PAP
  • CHAP
  • MS-CHAPv2
  • EAP-MS-CHAPv2

Question 9

Question
Why are phone lines and ISDM not used today for remote access services (RAS)?
Answer
  • They're too expensive
  • They're not secure enough
  • They create dedicated access
  • They no longer supply acceptable bandwidth

Question 10

Question
How is data verified when transferred through the Internet?
Answer
  • by cryptogrpahic checksum
  • by RAS callback options
  • by correct firewall settings
  • by using PPTP for VPN connections

Question 11

Question
When is it appropriate to use Windows Server 2012 as a router between two networks?
Answer
  • for heavy traffic on large networks
  • for heavy traffic on small networks
  • for light traffic on large networks
  • for light traffic on small networks

Question 12

Question
For Dial-up RAS connectivity, what is the most secure setting to use?
Answer
  • deny access
  • a static IP address
  • verify caller ID
  • always call back to a particular number

Question 13

Question
How can you force a system to update its DNS record?
Answer
  • Change IP addresses
  • Disable/enable the NIC
  • Execute ipconfig /flushdns
  • Execute ipconfig /registerdns

Question 14

Question
In Windows Server 2012 R2, what is used as a reverse proxy?
Answer
  • Web Application proxy
  • Reverse Lookup
  • AD FS proxy
  • Reverse Web

Question 15

Question
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?
Answer
  • an A record
  • a CNAME record
  • a PTR record
  • an NS record

Question 16

Question
Which VPN protocol provides constant connectivity?
Answer
  • L2TP
  • IKEv2
  • SSTP
  • PPTP

Question 17

Question
What is the first thing to check when troubleshooting VPN problems?
Answer
  • network connectivity
  • usernames and passwords
  • DNS lookups
  • firewall settings

Question 18

Question
Why use a VPN for client-to-server connections over the Internet?
Answer
  • VPN traffic is protected by a firewall
  • VPN traffic is encrypted
  • VPN traffic goes undetected on the Internet
  • VPN traffic is proxy-proof

Question 19

Question
Before creating PTR records, what DNS objects must you create?
Answer
  • reverse lookup zones
  • CNAME records
  • SOA records
  • NS records

Question 20

Question
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?
Answer
  • Reboot
  • Disable/enable the NIC
  • Clear the DNS cache on the DNS server
  • Execute ipconfig /flushdns.

Question 21

Question
Which of the following is an example of an SRV record?
Answer
  • DNS server
  • AD server
  • mail server
  • web server

Question 22

Question
A Start of Authority record specifies what kind of information about a zone?
Answer
  • a list of host or A name
  • a list of canonical (CNAME) records
  • the zone serial number
  • a reverse lookup record

Question 23

Question
which of the following is correct for querying a PTR record?
Answer
  • nslookup Microsoft.com
  • nslookup www.technet.com
  • nslookup server1
  • nslookup 192.160.3.50

Question 24

Question
What is the purpose of a priority number in MX records?
Answer
  • to set delivery priority
  • to designate primary, secondary and so forth , mail servers
  • for fault tolerance
  • for mail-routing preference

Question 25

Question
Which command do you use to verify local DNS settings?
Answer
  • nslookup <dns_servername>
  • ipconfig / all
  • ping localhost
  • tracert <dns_servername>

Question 26

Question
Which authentication method is weakest (least secure)?
Answer
  • PAP
  • CHAP
  • MS-CHAPv2
  • EAP-MS-CHAPv2

Question 27

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

Question 28

Question
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?
Answer
  • routing
  • VPN
  • encapsulation
  • tunneling

Question 29

Question
What special hardware configuration should a RAS server have?
Answer
  • two network interface cards
  • a dedicated phone line
  • a dedicated internet connection
  • secure access to the internet

Question 30

Question
Which Windows Server 2012 R2 server role is used to install the Web Application proxy for AD FS?
Answer
  • AD FS
  • remote access
  • remote desktop
  • web service

Question 31

Question
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?
Answer
  • 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

Question 32

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