Answer:
A. Define boundaries
C. Deny access
D. Delay access
Explanation:
A barrier is a material or structure used to prevent or block access. Barriers can either be natural or structural and are used for many purposes usually for security reasons. The following are functions of barriers either natural or structural:
- Define areas of boundaries
- Delay or slow access. Example is the use of speed bumps to slow down vehicles.
- Provide access to entrances such as the use of gates
- Deny access to unauthorized personnel and allowing authorized personnel.
Answer:
dog
Explanation:
The python program has four lists, A, B, C, and E which is a list of the first three lists. Lists are unordered indexed data structures, it is accessed by an index starting from 0 to n (which is the length of the list minus one).
The E list is a list of lists with three list items starting from index zero to two. E[0][1] is used to access the item "dog" in the first list item of the E list.
Answer:
A.mechanical hard
Explanation:
brainliest me and follow ty
Answer: True
Explanation: Gen/Spec is the known as the general specification standard for the classes.This standard helps in bringing out the peer-to-peer relations of class.
Gen/Spec is used in class diagram because it helps in the display of the access sharing and class specification in the general form for the required instances.Thus, this standard helps in the enhancement of the class diagram and its inheritance. So, the statement given in the question is true.
Answer:
CDMA is sa station.
Explanation:
CDMA is basically a Code Division Multiple Access .It is assgned code that facilitates the signals or special coding scheme.It optimizes the use of bandwidth, It is used in a UHF and send data over entire bandwidth of channel.It send data without sharing of capacity of channel. Its ranges is between 800 MHz and 1.9 GHz
