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WorksheetsNetwork Security Semester Exam (5th)
Total questions: 31
Worksheet time: 16mins
Any device on the network that actively transmits and receives information is known as a ________.
Node
Host
Media
Data
A node that serves as the beginning or ending point of communication is called a ________.
Node
Media
Host
Network Device
What term describes a network’s physical extent, not in the sense of its number of nodes, but how far apart they are?
Span
Extension
Scope
Local
This type of network is confined to a reasonably small area, usually within a single building.
WAN
LAN
PAN
MAN
This network extends over a vast area, with nodes in multiple cities or countries.
WAN
LAN
PAN
MAN
What topology is this?
Mesh
Ring
Bus
Hybrid
What topology is this?
Star
Mesh
Hybrid
Ring
How many layers are in the OSI model?
2
5
7
9
SSH
22
137/138/139
443
445
Telnet
23
20/21
137/138/139
443
SMTP
25
67/68
20/21
53
HTTP
80
53
23
143
HTTPS
443
80
110
137/138/139
RDP
3389
443
548
389
How many bits are in an IPv4 address?
16
32
64
128
Which of the following is the newer version of IP addresses because the previous version's addresses have run out?
IPv6
IPv4
IPv7
IPv5
What class is this IP address? 10.10.10.0
A
B
C
D
An IP address is divided into what two parts?
Physical and logical
Network and subnet
Network and host
Physical and emotional
What is the common acronym for the DCHPv4 process?
DORA
BOOTS
SWIPER
APIPA
Convert the binary number 10111011 to a decimal value.
187
186
168
202
What tool is the quickest way to estimate where a flaw is in a 100m cable that looks fine from the outside?
Toner probe
Time-domain reflectometer
Multimeter
Loopback plug
Which of these is considered a balanced cable?
Twisted pair
Coaxial
Twisted pair and coaxial
None of these
What maximum cable length is supported by most twisted-pair ethernet standards?
25 meters
100 meters
50 meters
200 meters
Why are color pairs typically also used as electrical signal pairs in twisted-pair cabling?
Different colors have different lengths
Color pairs are shielded together
Color pairs are easier to terminate
Color pairs are twisted together to reduce crosstalk
Which of the following is NOT a valid MAC address?
D0-21-75-46-88-F5
70-B6-6C-4E-60-AD
20-22-16-FN-23-FC
22-B9-E9-35-05-A4
An Ethernet frame header has how many MAC addresses?
1
2
3
4
How does Ethernet control multiple access?
CSMA/CA
CSMA/CD
Time-division multiplexing
Token-passing
How does Wi-Fi control multiple access?
CSMA/CA
CSMA/CD
Time-division multiplexing
Token-passing
_____ describes channel access where two points may talk, but only one end can do so at a given time.
Simplex
Half-duplex
Full-duplex
Unicast
What hardware device sends packet data to all ports on the device?
Repeater
Hub
Bridge
Switch
