1.
You are a network technician. On Monday morning, you receive a phone call, saying that some computers will disconnect to the network. After examination, you discover that the computers left on over the weekend work normally and those that were shutdown over the weekend stop working. According to the above information, do you know what causes this issue?
2.
Port 123 can be applied to which of the following items?
3.
In order to support new VoIP telephony equipment, your company upgrades the network infrastructure. What should be taken first when choosing a new switch to support the phones?
4.
Which of the following provides error reporting in TCP/IP?
5.
Which item is correct about an automated application that can infect computers without user interaction?
6.
If you want to establish a switched network with fault tolerance, which option below can permit loops in the switched topology while blocking a broadcast storm?
7.
An administrator has just received a call from an end user saying they are unable to log in to the network, although they could yesterday. Overnight, the administrator replaced an ISA (Industry Standard Architecture) Token Ring card with a Token Ring PCI (Peripheral Component Interconnect) NIC (Network Interface Card) in the users computer on a 16 Mbps (Megabits per seconds) LAN (Local Area Network). What is the NEXT step?
8.
As a network administrator of your company, you have just discovered that a large block of addresses are denied without comment. The range of the blocked addresses is from 224.0.0.0 to 239.255.255.255. Which of the following options is the best description of these addresses?
9.
Given that two switches are connected together, which protocol is able to trunk multiple VLAN traffic across the same physical link?
10.
Which of the following best describes ARP?