Microsoft Testking 70-270 v2008-05-15 by.vce 250q.vce
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Microsoft 70-270 Braindumps Introduction: Ultimate resource for 70-270 Braindumps
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QUESTION 1:
You work as the network administrator at Certkiller .com. The Certkiller .com
network consists of a single Active Directory domain named Certkiller .com.
Certkiller .com network is configured as a single subnet.
All servers on the Certkiller .com network run Windows Server 2003 and all client
computers run Windows XP Professional. Certkiller -DC01 and
Certkiller -DC02 are domain controllers on the network. Certkiller -DC02 runs
the DHCP Server service. All client computers on the network are DHCP clients.
Currently, the DHCP scope configuration is as follows:
1. 192.168.5.1 – 192.168.5.254 is the IP address range defined for distribution.
2. 192.168.5.1 – 192.168.5.10 is the IP address range excluded from distribution.
You receive instruction to ensure that Certkiller -WS151 is always assigned an IP
address of 192.168.5.7. This is the client computer used by an administrator named
Mia Hamm. You need to ensure that the IP address 192.168.5.7 is reserved for
Certkiller -WS151, at all times. You stop and restart the DHCP Server service, but
find that the IP address 192.168.5.7 is not assigned to Certkiller -WS151.
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What should you do?
A. Remove the client IP address reservation for Certkiller -WS151.
B. Delete all IP address exclusions in the DHCP scope on Certkiller -DC02.
C. Modify the IP address range excluded from distribution by removing the IP address of
192.168.5.7 from the exclusion range.
D. Run the ipconfig.exe /renew command on Certkiller -WS151.
Answer: C
Explanation: The issue that is preventing IP address 192.168.5.7 from being
reserved to Certkiller -WS151 is that this address is currently part of the IP
address range excluded from distribution (192.168.5.1 – 192.168.5.10) to DHCP
clients. Addresses 192.168.5.1 – 192.168.5.10 are not leased to DHCP clients by the
DHCP server. You have to first remove IP address 192.168.5.7 from the exclusion
range before you can reserve it for Certkiller -WS151.
Incorrect answers:
A: Removing the client IP address reservation for Certkiller -WS151 would result in
Certkiller -WS151 being assigned a different IP address by the DHCP server, which
will result in you not meeting the instructed requirement.
B: You do not need to delete all IP address exclusions in the DHCP scope on
Certkiller -DC02. You only have to remove the IP address of 192.168.5.7 from the
exclusion range.
D: Running the ipconfig.exe /renew command on Certkiller -WS151 will update the IP
configuration of Certkiller -WS151, but will not assign the IP address of 192.168.5.7,
currently in the exclusion range, to the client computer.
QUESTION 2:
You work as the network administrator at Certkiller .com. The Certkiller .com
network consists of an Active Directory domain named Certkiller .com with three
sites. All servers on the Certkiller .com network run Windows Server 2003 and all
client computers run Windows XP Professional. Certkiller -DC01 and
Certkiller -DC02 are domain controllers on the network.
Certkiller .com has headquarters in London and branch offices in Paris, Berlin and
Madrid. Each branch office is connected to the London headquarters office by a
leased line. Each branch office is configured as a separate site, with each site
containing a child domain and a Global Catalog server. Each branch office also
contains an Exchange server and a database server. The SMTP protocol is used to
perform Active Directory replication between servers located at the branch offices
and the London headquarters office servers. Database synchronization is always
initiated by the branch office servers.
You are instructed to implement an alternate technology to using dedicated leased
line that enables remote connections to the London headquarters office. You decide
to use standard telephone lines and purchase modems for each site, whereby which
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cost is calculated per usage minute.
You still need to determine which configuration you should apply to your router.
Your implementation should decrease the previous expense of maintaining
dedicated leased lines.
What should you do?
A. Configure a two-way initiated demand-dial connection and use static routes.
B. Configure a persistent demand-dial connection.
C. Configure a one-way initiated demand-dial connection and use static routes.
D. Configure tunneling.
Answer: C
Explanation: The configuration which will keep WAN costs minimized is to
configure a one-way initiated demand-dial connection where each branch office is a
dialer and the London headquarters office is the recipient. Because database
synchronization data is sourced from a branch office, you do not need a two-way
initiated demand-dial connection but a one-way initiated demand-dial connection.
In addition to this, the question states that SMTP is used to perform Active
Directory replication between servers located at the London headquarters office
and the servers located at the branch offices. This essentially allows replication data
to be queued and then sent when the demand-dial connection is open. Dial-on
demand connections can be used to enable connectivity to different locations, can be
disconnected at any time, and you pay for the actual bandwidth that you are using.
Incorrect answers:
A: Because database synchronization data is sourced from a branch office, you only need a
one-way demand-dial connection.
B: Persistent connections are permanent connections, and remain open all the time. This
will not reduce costs associated with maintaining connectivity between offices.
D: The question states that you have purchased modems for each site, which means that
each computer has a modem. This removes need of having to establish an ISP
connection.
QUESTION 3:
You work as the network administrator at CertKiller.com. CertKiller.com network
consists of a single Active Directory domain named Certkiller .com. All servers on the
CertKiller.com network run Windows Server 2003 and all client computers run
Windows XP Professional.
You are responsible for defining the IP addressing scheme for CertKiller.com. You
need to add a new subnet to the CertKiller.com network. You plan to add 6 new
Windows Server 2003 server computers and 26 new Windows XP Professional client
computers in the new subnet.
You need to determine which network addresses to use for the new subnet. You
need to ensure that all computers are assigned private IP addresses. You also need
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to cater for future network expansions. You plan to place 5 new servers in the new
subnet in the near future.
What should you do?
A. Use the 192.168.4.64/27 network address
B. Use the 192.168.4.32/27 network address.
C. Use the 192.168.4.64/26 network address.
D. Use the 192.168.4.32/26 network address.
Answer: C
Explanation: Class C addresses are addresses from 11000000 (192) to 11011111
(223). 192.0.1.0 to 223.255.255.0 are the network numbers which can be assigned.
The first three octets of the IP address are used for the network address, with the
remaining octet being used for the host addresses. The size of the network ID part is
24 bits, and the size of the host ID part is 8 bits. You can create subnets by using a
number of bits from the host ID part to extend the network ID. The 192.168.4.64/26
network address with a subnet mask of 255.255.255.192 is the only network address
that will support the number of unique host addresses required for the network: 6
new Windows Server 2003 server computers and 26 new Windows XP Professional
client computers. 192.168.4.64/26 supports a maximum of 62 unique host addresses.
28 addresses are left assigned, which caters for your future expansion expectations.
Incorrect answers:
A, B: These network addresses can only support 31 unique host addresses. You need an
address that will support 34 unique host addresses, and an additional 5 unique host
addresses.
D: This is an invalid network address for the subnet mask because when you subnet a
class C address, setting the most significant bits of the address to 1 or 0 will result in an
invalid address. The valid addresses are 192.168.4.64/26 and 192.168.4.128/26.
Reference:
Thomas Shinder and Debra Littlejohn Shinder, Planning and Maintaining a Windows
Server 2003 Network Infrastructure: Exam 70-293, Syngress Publishing, Rockland, MA,
2004, pp. 173-180.
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