Answer: A. CRYPTO-MALWARE
Explanation: Crypto-malware is a type of ransomware that blocks the uses from accessing the computer system,it also encripts all the files.
This type of ransomware is mainly used to demand for ransom.
This type of ransomware which makes use of sophisticated and advanced ransomware technology to ensure that encripting must be with a unique Key or password,the hijacked system is used for crypto mining without the owns consent.
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.
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