Question 16
How many binary digits are in an IPv4address?
Group of answer choices
4
16
8
32
Question 17
A company is in the process of upgrading their networkinfrastructure to support new VoIP telephony equipment. Which ofthe following is a primary feature to consider when selecting a newswitch to support the phones?
Group of answer choices
Port mirroring
PoE
VPN capability
Modular chassis
Question 18
Which of the following is a valid IP address that can beused on the Internet (meaning the public addressingscheme)?
Group of answer choices
10.10.1.1
234.1.1.1
168.16.1.1
172.30.1.1
Question 19
Which of the OSI layers do hubs operate?
Group of answer choices
Session
Transport
Physical
Data Link
Network
Presentation
Application
Question 20
Which layer of the OSI model adds source and destinationMAC addresses to frames?
Group of answer choices
Network
Transport
Data Link
Presentation
Question 21
While reviewing the specifications for a new networkinstallation, you notice that the design calls for RJ-45 and SCconnectors. The network is a design capable of supporting speeds upto 1000Mbps. What two types of network cable will thespecifications call for?
Group of answer choices
Thin coax and UTP
Thin coax and fiber optic
RJ-11 and fiber optic
Cat 5e UTP and fiber optic
Question 22
Which media access method is used by twisted-pairEthernet networks?
Group of answer choices
CSMA/CD
Token passing
CSMA/CA
OFDMA
Question 23
Which of the following is a Class C networkaddress?
Group of answer choices
10.10.10.0 255.255.255.0
128.0.0.0 255.255.0.0
127.0.0.1 255.255.255.0
192.255.254.0 255.255.255.0
Question 24
What is auto-negotiation?
Group of answer choices
a procedure by which two connected devices choose commontransmission parameters
a security algorithm
a routing algorithm
none of the mentioned
Question 25
Which of the OSI layers is closest to theuser?
Group of answer choices
Session
Transport
Physical
Application
Question 26
Which of the following is a valid Class Aaddress?
Group of answer choices
191.10.0.1 255.0.0.0
128.10.0.1 255.0.0.0
127.10.0.1 255.0.0.0
126.10.0.1 255.0.0.0
Question 27
Using network monitoring software, you’ve identified asystem on your network using an unfamiliar MAC address, you need togather information to help you identify this potentially roguehost. Which part of a MAC address uniquely identifies theorganization that manufactured the device to which the address hasbeen assigned?
Group of answer choices
The first octet
The last three octets
The first two octets
The first three octets
Question 28
Which of the following is not a designated private IPaddress?
Group of answer choices
192.168.64.7
153.6.2.1
172.28.16.48
10.164.9.5
Question 29
Which of the following IEEE specifications does CSMA/CDrelate to?
Group of answer choices
802.2
802.4
802.3
802.5
Question 30
At which layer of the OSI model does network cablingbelong?
Group of answer choices
Physical
Network
Data Link
Transport
Question 31
Routers function at which layer of the TCP/IPmodel?
Group of answer choices
Internet
Link
Application
Transport
Question 32
At which layer of the OSI model does a standard networkswitch operate?
Group of answer choices
Physical
Network
Data-link
Session
Question 33
Which of the following statements about subnet masks isNOT true?
Group of answer choices
A 0 in the subnet mask indicates part of the network ID.
All machines on the same network have the same subnet mask.
The subnet mask can be expressed either in dotted decimal or inthe /x notation (example: 192.168.14.3 /24)
The subnet mask is the same length as an IP address.
Question 34
At which layer of the OSI model would you findIP?
Group of answer choices
Transport
Data Link
Network
Physical
