ESAT 1

At resonance, at what point of the one-half wavelength antenna's element will the current be at maximum level?

• Middle

• 3/4 from the feed point

• 1/4 from the feed point

• Ends

What does a VLAN do?

• Acts as the fastest port to all servers

• Provides multiple collision domains on one switch port

• Breaks up broadcast domains in a layer 2 switch internetwork

• Provides multiple broadcast domains within a single collision domain

Which of the following services use TCP?
1. DHCP
2. SMTP
3. HTTP
4. TFTP
5. FTP

• 1 and 2

• 2, 3, and 5

• 1, 2 and 4

• 1, 3 and 4

Which protocol does Ping use?

• TCP

• ARP

• ICMP

• BootP

Which protocol does Ping use?

• TCP

• ARP

• ICMP

• BootP

Which protocol does Ping use?

• TCP

• ARP

• ICMP

• BootP

In Direct Sequence Spread Spectrum, the chipping rate ___ the data rate

• Is equal to

• Is slower than

• Is faster than

• May be faster or slower than

In Direct Sequence Spread Spectrum, the chipping rate ___ the data rate

• Is equal to

• Is slower than

• Is faster than

• May be faster or slower than

In Direct Sequence Spread Spectrum, the chipping rate ___ the data rate

• Is equal to

• Is slower than

• Is faster than

• May be faster or slower than

A wave that travels over the surface of the earth,

• Space wave

• Surface wave

• Sky wave

• Standing wave