Lesson 2: Planning Infrastructure Services Flashcards
1
Q
- To which type of server do client computers on the network send their DNS queries?
a) DHCP servers
b) DNS servers
c) SMB servers
d) domain controllers
A
b) DNS servers
2
Q
- What must at least one DNS server support when running Active Directory on your network?
a) DHCP Server service
b) Server Core
c) Service Location (SRV) resource record
d) Active Directory Services
A
c) Service Location (SRV) resource record
3
Q
- There are many reasons for registering an Internet domain name. Which of the following is one of those reasons?
a) create email addresses
b) increase network performance
c) increase cache
d) FTP access
A
a) create email addresses
4
Q
- What process is used when it is necessary for a computer to convert an IP address into a DNS name?
a) name resolution
b) reverse name resolution
c) iterative querying
d) receiving querying
A
b) reverse name resolution
5
Q
- The DNS server receiving a name resolution request can take full responsibility for resolving the name by using what type of query?
a) recursive
b) receiving
c) responding
d) resolution
A
a) recursive
6
Q
- What is the full DNS name for a particular computer called?
a) functional domain name (FDN)
b) domain name (DN)
c) qualified domain name (QDN)
d) fully qualified domain name (FQDN)
A
d) fully qualified domain name (FQDN)
7
Q
- Which ID will identify all or part of a specific physical link on the subscriber’s network, which will enable subscribers to create as many subnets as needed?
a) Subnet ID
b) Subscriber ID
c) Provider ID
d) Registry ID
A
a) Subnet ID
8
Q
- Which ID will identify the ISP that assigns a portion of the address space to a certain subscriber?
a) Subscriber ID
b) Registry ID
c) Interface ID
d) Provider ID
A
d) Provider ID
9
Q
- Which method is most frequently used for providing fault tolerance to DHCP servers?
a) failover clustering
b) standby servers
c) splitting scopes
d) none of the above
A
c) splitting scopes
10
Q
- The DHCP relay agent capability is built into which role in Windows Server 2008?
a) Active Directory Certificate Services
b) Windows Deployment Services
c) Network Policy and Access Services
d) Active Directory Federation Services
A
c) Network Policy and Access Services
11
Q
- There are many advantages to the distributed DHCP infrastructure. Which of the following is not an advantage?
a) Clients have ready access to their DHCP servers.
b) Clients have the ability to install and configure a large number of DHCP servers.
c) All client/server traffic is local.
d) There is no worry about DHCP traffic adding to the burden of routers.
A
b) Clients have the ability to install and configure a large number of DHCP servers.
12
Q
- Which type of DHCP packet is used by servers to acknowledge a client’s acceptance of an offered IP address?
a) DHCPOFFER
b) DHCPNAK
c) DHCPACK
d) DHCPACCEPT
A
c) DHCPACK
13
Q
- Which of the following is not a message type defined by the DHCP communication protocol?
a) DHCPACK
b) DHCPOFFER
c) DHCPACCEPT
d) DHCPNAK
A
c) DHCPACCEPT
14
Q
- Which of the following is not a standard DHCP address allocation method?
a) dynamic
b) manual
c) automatic
d) instinctive
A
d) instinctive
15
Q
- By default, the DHCP Server service in Windows Server 2008 uses dynamic allocation, leasing IP addresses to clients for how many days?
a) 4 days
b) 5 days
c) 6 days
d) 7 days
A
c) 6 days
16
Q
- Which of the following is a disadvantage of a centralized DHCP infrastructure?
a) reduced administrative burden
b) no need to scale up your hardware to accommodate DHCP relay servers
c) fewer servers
d) burden on the servers increase
A
d) burden on the servers increase
17
Q
- Each individual domain name can be no more than how many characters?
a) 63
b) 64
c) 254
d) 255
A
a) 63
18
Q
- Which of the following was not an objective of the DNS name resolution project?
a) Avoid creating traffic bottlenecks and a single point of failure.
b) Create a standardized system for host naming and accessing electronic mailboxes.
c) Prevent administrators from assigning host names to their computers.
d) Distribute the host name database among servers all over the network.
A
a) Avoid creating traffic bottlenecks and a single point of failure.
19
Q
- Which of the following is not an element of DNS?
a) resolvers
b) name servers
c) DNS namespace
d) resource record
A
d) resource record
20
Q
- Which of the following is not a top-level domain?
a) com
b) net
c) int
d) biz
A
d) biz
21
Q
- What is the most common method of providing fault tolerance to DHCP servers?
a) Use two DHCP servers whereby one server has 80 percent of the scope addresses and the second server has the remaining 20 percent of the scope.
b) Use two DHCP servers whereby both servers have the same range of addresses to handout.
c) Use two DHCP servers whereby one server has 50 percent of the scope addresses and the second server has the remaining 50 percent of the scope.
d) Use one server with two instances of the DHCP server.
A
a) Use two DHCP servers whereby one server has 80 percent of the scope addresses and the second server has the remaining 20 percent of the scope.
22
Q
- When using the 80:20 rule, where should the second server be placed?
a) One the same subnet as the primary DHCP server.
b) On the Internet.
c) On a subnet with a slow WAN link connecting to the main corporate site.
d) Another subnet
A
d) Another subnet
23
Q
- You have a server subnet that contains your DHCP server. What do you have to configure in order for clients on other subnets to receive an IP address from the DHCP server?
a) You need to specify the address of the DHCP server on each client.
b) You need to specify the DHCP SRV record in DNS.
c) You need to configure a DHCP relay agent on each subnet that has client computers receiving DHCP addresses that point to the DHCP server.
d) You don’t have to do anything.
A
c) You need to configure a DHCP relay agent on each subnet that has client computers receiving DHCP addresses that point to the DHCP server.
24
Q
- What is similar to a DHCP relay agent found on routers?
a) UDP forwarder
b) IP helper
c) DHCP broadcaster
d) DHCP acknowledgement
A
b) IP helper
25
25. You are configuring two DHCP servers to provide fault tolerance to the 172.24.43.x subnet. You have placed two DHCP servers, one on the local subnet and the other one at the corporate office. You configure the scope of the first DHCP server to be 172.24.43.1-172.24.43.199. What should the scope of the second DHCP server be?
a) 172.24.43.1-172.24.43.254
b) 172.24.43.1-172.24.43.199
c) 172.24.43.200-172.24.43.254
d) 172.24.43.255
c) 172.24.43.200-172.24.43.254
26
26. You have two DNS domains, contoso.com and NY.contoso.com. You have the standard primary DNS servers for both domains located at the corporate office in San Francisco. If the WAN links fails between San Francisco and New York, how can you ensure that users can still resolve the DNS entries in NY to IP addresses?
a) Create a standard primary DNS server for both domains in New York.
b) Create a standard secondary zone for both domains in New York.
c) Enable the DNS cache on the router for both domains in New York.
d) Create an Active Directory integrated stub zone for both domains in New York.
b) Create a standard secondary zone for both domains in New York.
27
27. Which of the following zones should be used when you must have fault tolerance, minimum WAN traffic between DNS servers, and secure transfers between DNS servers?
a) Active Directory-integrated zone
b) Standard primary zone
c) Standard secondary zone
d) Active Directory integrated stub zone
a) Active Directory-integrated zone
28
28. Which type of query receives the name resolution request and takes full responsibility for resolving the name?
a) iterative
b) recursive
c) replication
d) notification
b) recursive
