The right answer is option 4: 2
Explanation:
Lists are used in Python to store elements of same or different data types.
Different functions are used in Python on List. One of them is count.
Count is used to count how many times a specific value occurs in a list.
The syntax for count is:
listname.count(value)
In the given code,
The output will be 2
Hence,
The right answer is option 4: 2
Answer:
B
Explanation:
You need Name , Age and Gender
the second requirement should only match the last row where age is 20 and gender is male.
thrid requirement of the query is that its syntax should be correct.
Option B staisfies all of required so it is the correct option.
A company’s technology policy applies only to the Internet usage of employees
I’m not sure if it right so sorry if it wrong!
Answer:
Network externality is one of the market failures that justify the regulation of telecommunications markets and especially the interconnection between operators' networks. Externality is defined as the variation in utility that an agent obtains when the number of other agents that consume the same type of good or service varies. External effects are considered network effects that cannot be internalized by market agents.
Network externalities lead to the creation of natural monopolies as they generate positive feedback processes that make each new user of a service more valuable for the next user.
Answer: EMI(Electromagnetic interference)
RFI(Radio frequency interference)
Explanation: Electromagnetic interference is the emission of the electromagnetic signal that can disturb the working of the other device.It invokes the disturbance that can create error, under-performance mechanism,distortion etc in the equipment.
Radio-frequency interference(RFI) is the radio-frequency signal that interferes the other device by creating noise and distortion. This leads to breaking of the operation and data error.
Other options are incorrect because cross talk is referred as undesired communication between signal ,attenuation is the degradation in the amplitude of any signal and extended length of cabling is increasing the length of the cable.Thus the correct answer is RFI and EMI.
