Exam 311-320 Flashcards
No link lights on a switch’s SFP are functioning, so the network technician re-terminates the end. After testing the cable,
the tester is showing a db loss of-9. Which of the following types of cable is MOST likely being tested?
A. Fiber
B. CAT3
C. CAT5e
D. CAT6a
A. Fiber
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.
D. Incorrect speed/duplex setting on the alarm device.
An administrator has received a recommendation against deploying WEP as a wireless encryption protection scheme.
Which of the following is MOST likely the reason?
A. WEP’s IV is too small.
B. WEP uses RC4 which is easily accessible and not secure.
C. WEP uses plain text.
D. WEP is not well supported.
A. WEP’s IV is too small.
Which of the following should be implemented in a networked environment carrying teleconferencing packets?
A. L2TP
B. SSH
C. QoS
D. SNMP
C. QoS
An 801.11g wireless access point was configured as follows:
- AP encryption forced to WPA2-AES mode only
- MAC address filtering enabled with the following MAC address in the allow list: 00-ab-29-da-c3-40 Which is true
about the above configuration?
A. Any 802.11b/g compatible client can connect to the wireless network if they support TKIP, the MAC address is 00-
ab-29-da-c3-40, and the encryption key is known by the client.
B. An 802.11a compatible client can connect to the wireless network only if its MAC address is 00-ab-29-da-c3-40 and
the encryption key is known by the client.
C. An 802.11n compatible client can connect to the wireless network only if its MAC address is 00-ab-29-da-c3-40 and
the encryption key is known by the client.
D. Any 802.11g compatible client can connect to the wireless network if the encryption key is known by the client.
C. An 802.11n compatible client can connect to the wireless network only if its MAC address is 00-ab-29-da-c3-40 and
the encryption key is known by the client.
Which of the following IP addresses would be classified as private?
A. 10.100.200.0
B. 169.253.10.20
C. 172.168.5.0
D. 200.100.25.0
A. 10.100.200.0
Zach, a technician, is checking newly installed CAT5e cabling, and suspects that some of the ends were not properly
terminated. Which of the following tools will verify this?
A. Cable tester
B. Toner probe
C. OTDR
D. Loopback plug
A. Cable tester
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
C. IP address and SNMP configuration
Which of the following needs to be configured on a switch to use a packet sniffer?
A. Port trunking
B. Port mirroring
C. Tagged VLAN
D. Untagged VLAN
B. Port mirroring
At which of the following layers of the OSI model do packets exist?
A. Network
B. Session
C. Data link
D. Transport
A. Network
