The software in a virtualized environment that controls resource allocation and allows multiple operating system guests to run on the same physical platform is known as the:
A. hypervisor.
B. LPAR.
C. broker.
D. VDI.
A new monitoring device is installed in the network that uses ping to determine whether critical network Internet routers are up. After three missing pings, the alarm reports the device is down. The device is now constantly reporting alarms, yet
there are no reported Internet problems from users.
Which of the following is the MOST likely cause?
A. A missing route on the alarm device.
B. Incorrect VLAN assignment on the router.
C. A missing route on the network routers.
D. Incorrect speed/duplex setting on the alarm device.
An administrator is setting up a secure wireless network. The administrator decides to support 802.11n and 802.11g with a WPA2 pre-shared key. Users are given the SSID with the pre-shared key, but the administrator has disabled the SSID broadcast and MAC filtering. Some users have reported connection issues. Which of the following would MOST likely resolve the users' connection issues?
A. Limit the devices to 802.11n only.
B. Enable the SSID broadcast.
C. Enable MAC filtering.
D. Use a WEP 128-bit key.
Which of the following protocols is used to securely connect to a multi-layer switch?
A. HTTP
B. SMTP
C. SSH
D. Telnet
A Windows server has a problem after booting up. Kim, a technician, should immediately check the:
A. history logs.
B. cron logs.
C. application logs.
D. system logs.
A user has no network connectivity. Jeff, the network technician, is unable to locate the CAT5e cable from the user at the IDF. Which of the following tools would be used to assist Jeff in locating the CAT5e cable?
A. Butt set
B. Punch down tool
C. Toner probe
D. D. Protocol analyzer
There is suspected virus activity on the network. Which of the following would Lisa, a technician, use to study network traffic?
A. Protocol analyzer
B. Cable tester
C. Cable certifier
D. Environmental monitor
Zach, a network technician, is configuring several switches to be managed remotely. Which of the following must be configured to connect via SSH to each of those devices, as well as to retrieve various parameters?
A. PoE settings and VTP configuration
B. SNMP configuration only
C. IP address and SNMP configuration
D. QoS and PoE settings
Which of the following will prevent switching loops by selectively shutting down switch ports?
A. RIP
B. IGP
C. STP
D. VLAN
When using high bandwidth applications over multiple WAN connections, which of the following should be used?
A. Static IP addressing
B. Half-duplex
C. PoE devices
D. Load balancing
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