Describe the role of the headend in the star topology of a Cable TV WAN.
What will be an ideal response?
The focal point in the star is the headend, which is the central receiving point for signals from various sources, including satellite, other major cable sources, and local television sources. The headend is a grouping of antennas, cable connections, microwave towers, and satellite dishes, and it distills all incoming signal sources and transfers them to remote distribution centers through trunk lines.
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The process of addingdata from an Excel spreadsheet to an existing Access table that is closed
a. Exporting b. Expending c. Appending
A field in the Group By field list can refer to any field in a table except the ________ data types
A) OLE Object and Attachment B) Memo and Hyperlink C) OLE Object and Memo D) Attachment and Hyperlink