Q. What is the maximum data rate of the 802.11ac Wi-Fi standard?
A.
54 Mbps
B.
600 Mbps
C.
1.3 Gbps
D.
3.5 Gbps
Show solution
Solution
The 802.11ac standard can achieve maximum data rates of up to 1.3 Gbps under optimal conditions.
Correct Answer:
C
— 1.3 Gbps
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Q. What is the maximum distance for a typical WAN connection using fiber optics?
A.
Up to 1 km
B.
Up to 10 km
C.
Up to 100 km
D.
Over 100 km
Show solution
Solution
Fiber optics can support WAN connections over distances greater than 100 km, making them suitable for long-range communication.
Correct Answer:
D
— Over 100 km
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Q. What is the maximum hop count for RIP?
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Solution
The maximum hop count for RIP is 15; a hop count of 16 is considered unreachable.
Correct Answer:
B
— 15
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Q. What is the maximum length of a standard Ethernet cable used in WAN connections?
A.
100 meters
B.
200 meters
C.
300 meters
D.
400 meters
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Solution
The maximum length of a standard Ethernet cable (Cat 5e or Cat 6) is 100 meters for effective WAN connections.
Correct Answer:
A
— 100 meters
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Q. What is the maximum length of a TCP segment?
A.
64 KB
B.
128 KB
C.
256 KB
D.
65,535 bytes
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Solution
The maximum length of a TCP segment is 65,535 bytes, which includes both the header and the data.
Correct Answer:
D
— 65,535 bytes
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Q. What is the maximum number of columns allowed in a SQL Server 2000 table?
A.
128
B.
256
C.
512
D.
1024
Show solution
Solution
SQL Server 2000 allows a maximum of 1024 columns in a table.
Correct Answer:
B
— 256
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Q. What is the maximum number of subnets that can be created from a Class C network with a default subnet mask?
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Solution
A Class C network with a default subnet mask of 255.255.255.0 can be subnetted into 8 subnets by borrowing 3 bits from the host portion.
Correct Answer:
C
— 8
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Q. What is the maximum number of unique addresses that IPv6 can theoretically support?
A.
Approximately 4 billion
B.
Approximately 340 undecillion
C.
Approximately 16 million
D.
Approximately 256 trillion
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Solution
IPv6 can theoretically support approximately 340 undecillion unique addresses due to its 128-bit address space.
Correct Answer:
B
— Approximately 340 undecillion
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Q. What is the maximum number of VLANs that can be created on a switch using the 802.1Q standard?
A.
256
B.
512
C.
1024
D.
4096
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Solution
The 802.1Q standard allows for a maximum of 4096 VLANs to be created on a switch.
Correct Answer:
D
— 4096
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Q. What is the maximum number of VLANs that can be created using the 802.1Q standard?
A.
256
B.
4096
C.
1024
D.
2048
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Solution
The 802.1Q standard allows for the creation of up to 4096 VLANs, as it uses a 12-bit VLAN ID.
Correct Answer:
B
— 4096
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Q. What is the maximum output current of a standard 555 timer?
A.
10 mA
B.
20 mA
C.
200 mA
D.
500 mA
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Solution
The maximum output current of a standard 555 timer is typically around 20 mA.
Correct Answer:
B
— 20 mA
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Q. What is the maximum range of a typical Wi-Fi network in open space?
A.
50 meters
B.
100 meters
C.
200 meters
D.
300 meters
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Solution
A typical Wi-Fi network can reach up to 100 meters in open space, although this can vary based on environmental factors and the specific technology used.
Correct Answer:
B
— 100 meters
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Q. What is the maximum size of a SQL Server 2000 database?
A.
2 GB
B.
4 GB
C.
10 GB
D.
32 GB
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Solution
The maximum size of a SQL Server 2000 database is 32 GB.
Correct Answer:
D
— 32 GB
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Q. What is the maximum theoretical capacity of a single-layer DVD?
A.
4.7 GB
B.
8.5 GB
C.
25 GB
D.
50 GB
Show solution
Solution
A single-layer DVD has a maximum theoretical capacity of 4.7 GB.
Correct Answer:
A
— 4.7 GB
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Q. What is the multicast address range in IPv6?
A.
FF00::/8
B.
2000::/3
C.
::1/128
D.
::/0
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Solution
The multicast address range in IPv6 is defined as FF00::/8, which is used for multicast communication.
Correct Answer:
A
— FF00::/8
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Q. What is the Nyquist theorem related to?
A.
The maximum frequency of a signal
B.
The minimum sampling rate to avoid aliasing
C.
The bandwidth of a digital filter
D.
The energy of a signal
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Solution
The Nyquist theorem states that to avoid aliasing, a signal must be sampled at least twice its maximum frequency.
Correct Answer:
B
— The minimum sampling rate to avoid aliasing
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Q. What is the octal representation of the decimal number 8?
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Solution
The octal representation of decimal 8 is 10.
Correct Answer:
A
— 10
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Q. What is the output impedance of an ideal op-amp?
A.
Zero ohms
B.
Infinite ohms
C.
100 ohms
D.
1k ohms
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Solution
An ideal operational amplifier has infinite output impedance, allowing it to drive loads without affecting the output voltage.
Correct Answer:
B
— Infinite ohms
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Q. What is the output of a 2-bit binary adder for inputs 11 and 01?
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Solution
11 + 01 = 100 in binary, which is 4 in decimal.
Correct Answer:
D
— 100
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Q. What is the output of a 2-bit binary counter after three clock pulses?
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Solution
After three clock pulses, a 2-bit binary counter will output 10 (which is 2 in decimal).
Correct Answer:
C
— 10
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Q. What is the output of a 2-input AND gate when both inputs are high?
A.
0
B.
1
C.
Undefined
D.
Both 0 and 1
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Solution
An AND gate outputs high (1) only when both inputs are high (1).
Correct Answer:
B
— 1
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Q. What is the output of a 2-input AND gate when both inputs are true?
A.
0
B.
1
C.
undefined
D.
false
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Solution
A 2-input AND gate outputs 1 (true) when both inputs are true.
Correct Answer:
B
— 1
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Q. What is the output of a 2-input NAND gate when both inputs are low?
A.
0
B.
1
C.
Undefined
D.
Depends on the circuit
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Solution
A NAND gate outputs high (1) when at least one input is low (0).
Correct Answer:
B
— 1
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Q. What is the output of a 2-input NOR gate when both inputs are high?
A.
0
B.
1
C.
Both 0 and 1
D.
Undefined
Show solution
Solution
A 2-input NOR gate outputs 0 when at least one of its inputs is high; it only outputs 1 when both inputs are low.
Correct Answer:
A
— 0
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Q. What is the output of a 2-input NOR gate when both inputs are low?
A.
0
B.
1
C.
Undefined
D.
Depends on the circuit
Show solution
Solution
A NOR gate outputs high (1) only when both inputs are low (0).
Correct Answer:
B
— 1
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Q. What is the output of a 2-input OR gate when one input is low and the other is high?
A.
0
B.
1
C.
Both 0 and 1
D.
Undefined
Show solution
Solution
An OR gate outputs high (1) if at least one input is high (1).
Correct Answer:
B
— 1
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Q. What is the output of a 2-input XOR gate when both inputs are the same?
A.
0
B.
1
C.
Undefined
D.
Depends on the circuit
Show solution
Solution
An XOR gate outputs low (0) when both inputs are the same (either both 0 or both 1).
Correct Answer:
A
— 0
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Q. What is the output of a 2-to-1 multiplexer if the inputs are A=0, B=1 and the select line is 0?
A.
0
B.
1
C.
Undefined
D.
Both 0 and 1
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Solution
If the select line is 0, the output of the 2-to-1 multiplexer will be the value of input A, which is 0.
Correct Answer:
A
— 0
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Q. What is the output of a 3-bit counter after 5 clock pulses?
A.
000
B.
101
C.
011
D.
111
Show solution
Solution
After 5 clock pulses, a 3-bit counter will output 101 in binary.
Correct Answer:
B
— 101
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Q. What is the output of a 3-input XOR gate when all inputs are high?
A.
0
B.
1
C.
Undefined
D.
Both 0 and 1
Show solution
Solution
A 3-input XOR gate outputs high (1) if an odd number of inputs are high; with all inputs high, it outputs low (0).
Correct Answer:
A
— 0
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