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Quiz von Michael Marcus, aktualisiert more than 1 year ago
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Erstellt von Michael Marcus
vor mehr als 8 Jahre
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Frage 1
Frage
What is another designation for an Alias
Antworten
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a host or A record
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canonical name or CNAME
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pointer or PTR record
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Name Server or NS record
Frage 2
Frage
What does Time to Live (TTL) mean in DNS parlance?
Antworten
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the length of time it takes a DNS query to process
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the length of time required to process an iterative query
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the length of time between zone updates
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the length of time a record remains in DNS cache
Frage 3
Frage
What is the primary advantage to enabling round-robin DNS?
Antworten
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load balancing
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speed
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efficiency
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fault tolerance
Frage 4
Frage
What does issuing the nslookup command with no parameters do on your system?
Antworten
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It returns an error: Missing paramter
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It places you into nslookup's interactive mode
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It returns you to a prompt with no result
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It displays your DNS query cache
Frage 5
Frage
You can use the dnscmd command to create zones. What other tasks can you perform with it?
Antworten
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delete resource records
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start/stop the DNS service
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perform name service queries
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install DNS services
Frage 6
Frage
Which DNS record contains the serial number for the zone?
Antworten
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NS record
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A record
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PTR record
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SOA record
Frage 7
Frage
How are routing tables created dynamically?
Antworten
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through the use of RIP
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with static routes
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by using the routing table protocol (RTP)
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by using a layer 2 switch
Frage 8
Frage
Which authentication protocol allows you to change an expired password during the connection process?
Antworten
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PAP
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CHAP
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MS-CHAPv2
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EAP-MS-CHAPv2
Frage 9
Frage
Why are phone lines and ISDM not used today for remote access services (RAS)?
Antworten
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They're too expensive
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They're not secure enough
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They create dedicated access
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They no longer supply acceptable bandwidth
Frage 10
Frage
How is data verified when transferred through the Internet?
Antworten
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by cryptogrpahic checksum
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by RAS callback options
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by correct firewall settings
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by using PPTP for VPN connections
Frage 11
Frage
When is it appropriate to use Windows Server 2012 as a router between two networks?
Antworten
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for heavy traffic on large networks
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for heavy traffic on small networks
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for light traffic on large networks
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for light traffic on small networks
Frage 12
Frage
For Dial-up RAS connectivity, what is the most secure setting to use?
Antworten
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deny access
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a static IP address
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verify caller ID
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always call back to a particular number
Frage 13
Frage
How can you force a system to update its DNS record?
Antworten
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Change IP addresses
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Disable/enable the NIC
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Execute ipconfig /flushdns
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Execute ipconfig /registerdns
Frage 14
Frage
In Windows Server 2012 R2, what is used as a reverse proxy?
Antworten
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Web Application proxy
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Reverse Lookup
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AD FS proxy
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Reverse Web
Frage 15
Frage
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?
Antworten
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an A record
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a CNAME record
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a PTR record
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an NS record
Frage 16
Frage
Which VPN protocol provides constant connectivity?
Antworten
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L2TP
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IKEv2
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SSTP
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PPTP
Frage 17
Frage
What is the first thing to check when troubleshooting VPN problems?
Antworten
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network connectivity
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usernames and passwords
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DNS lookups
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firewall settings
Frage 18
Frage
Why use a VPN for client-to-server connections over the Internet?
Antworten
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VPN traffic is protected by a firewall
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VPN traffic is encrypted
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VPN traffic goes undetected on the Internet
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VPN traffic is proxy-proof
Frage 19
Frage
Before creating PTR records, what DNS objects must you create?
Antworten
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reverse lookup zones
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CNAME records
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SOA records
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NS records
Frage 20
Frage
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?
Antworten
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Reboot
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Disable/enable the NIC
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Clear the DNS cache on the DNS server
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Execute ipconfig /flushdns.
Frage 21
Frage
Which of the following is an example of an SRV record?
Antworten
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DNS server
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AD server
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mail server
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web server
Frage 22
Frage
A Start of Authority record specifies what kind of information about a zone?
Antworten
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a list of host or A name
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a list of canonical (CNAME) records
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the zone serial number
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a reverse lookup record
Frage 23
Frage
which of the following is correct for querying a PTR record?
Antworten
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nslookup Microsoft.com
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nslookup www.technet.com
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nslookup server1
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nslookup 192.160.3.50
Frage 24
Frage
What is the purpose of a priority number in MX records?
Antworten
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to set delivery priority
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to designate primary, secondary and so forth , mail servers
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for fault tolerance
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for mail-routing preference
Frage 25
Frage
Which command do you use to verify local DNS settings?
Antworten
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nslookup <dns_servername>
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ipconfig / all
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ping localhost
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tracert <dns_servername>
Frage 26
Frage
Which authentication method is weakest (least secure)?
Antworten
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PAP
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CHAP
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MS-CHAPv2
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EAP-MS-CHAPv2
Frage 27
Frage
Why would you set Verify Caller ID on a remote dial-up connection for a user?
Antworten
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for enhanced security
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because you don't trust the user
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because you want users to call in only from specific numbers
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because it's the default setting
Frage 28
Frage
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?
Antworten
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routing
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VPN
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encapsulation
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tunneling
Frage 29
Frage
What special hardware configuration should a RAS server have?
Antworten
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two network interface cards
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a dedicated phone line
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a dedicated internet connection
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secure access to the internet
Frage 30
Frage
Which Windows Server 2012 R2 server role is used to install the Web Application proxy for AD FS?
Antworten
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AD FS
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remote access
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remote desktop
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web service
Frage 31
Frage
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?
Antworten
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to allow multiple computers access to the internet
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to provide a type of firewall for a group of computers
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to provide proxy services to a LAN
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to use private IP addresses on the LAN
Frage 32
Frage
When would you want to use a split tunnel for users?
Antworten
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if your users work only from the office
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if your users might compromise security by browsing to insecure sites
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if your users have laptop computers and work from home or office
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if your users often need remote assistance
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