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CCNA Discovery 1, DHomesb 4.0, Home and Small Business Version Practice Final Exam 1 Questions &Exam (elaborations) answers 100% satisfaction guarantee
CCNA Discovery 1, DHomesb 4.0, Home and
Small Business Version Practice Final Exam 1
What is the default subnet mask for an IP address of 64.100.19.14? - ✔✔255.0.0.0
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What does the term "attenuation" mean in data communication? - ✔✔loss of signal strength as
distance increases
What is the function of CSMA/CA on a wireless Ethernet network? - ✔✔to prevent collisions
The area covered by a single AP is known as what? - ✔✔basic service set
0
A company has a web server that must be accessible to both external and internal clients. Which
security policy best practice should be followed to maximize security of the server? - ✔✔Place the
web server in a DMZ
0
What advantage does a peer-to-peer network have over a client-server network? - ✔✔It increases
scalability.
Which of the following are the address ranges of the private IP addresses? (Choose three.) -
1
✔✔10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31.255.255, 192.168.0.0 to 192.168.255.255
When acting as a DHCP server, an integrated router can provide what three types of information to a
client? (Choose three.) - ✔✔default gateway, dynamic IP address, DNS server address
Which protocol in its default configuration downloads e-mail messages to the client computer and
deletes them from the server? - ✔✔POP3
What are two best practices that are used when configuring a small home WLAN? (Choose two.) -
✔✔the encryption of the SSID, the use of pre-shared keys
A network technician is required to provide access to the Internet for a large company. What is
needed to accomplish this task? - ✔✔ISP
Where do ISPs get the public addresses that they assign to end users? - ✔✔ISPs obtain address
blocks from registry organizations
When terminating UTP cabling, why is it important to untwist only a small amount of each wire pair? -
✔✔minimizes crosstalk
, What is the purpose of the ipconfig /release command? - ✔✔It forces a client to give up its current IP
address.
What is the purpose of creating a DMZ during network firewall implementation? - ✔✔to allow for a
publicly accessible zone without compromising the internal network
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A user is unable to send e-mail. While troubleshooting this problem, the network technician first
verifies the physical connectivity of cables. Which troubleshooting approach is being followed? -
✔✔bottom-up
What layer is the first point of entry for a host into the network? - ✔✔access layer
0
A host sent a message that all other hosts on the switched local network received and processed.
What type of domain are all these hosts a part of? - ✔✔Broadcast domain
What is an advantage of selecting an operating system that has a commercial license over one with a
Refer to the exhibit. Assume that the command output is from a wireless DHCP client that is
connected to a Linksys integrated router. What can be deduced from the output? - ✔✔The wireless
1
connection is operational
Because of an increasing number of users, bandwidth per user on a WLAN has decreased to a point
where users are complaining about poor performance. What can be done to improve the user
experience? - ✔✔Reduce the number of devices using each channel
A network technician suspects that malware on a user PC is opening multiple TCP connections to a
specific foreign host address. Which Windows command line utility can be used to confirm the
multiple TCP connections? - ✔✔Netstat
STP Port Roles - ✔✔Root - Switch closest to root bridge
Designated - All active non root ports
Alternate/Backup - Blocking
Disable - Shutdown
Root Port Election - ✔✔Switch with lowest Bridge ID (BID) becomes root.
spanning-tree vlan <vlan id> root primary - ✔✔Sets priority to 24,576 or highest multiple of 4096 less
than the lowest bridge priority
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