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Your wireless network has grown significantly and all devices have been upgraded to their newest models. Previous tests have revealed that your primary issues with connectivity are slow speeds, high interference, and the use of overlapping channels. Which solution might best address all of these concerns?
Switch from the 2.4 GHz band to the 5 GHz band
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If the DHCP scope being used for guest access in the lobby of a hotel is continually running out of IP addresses, what is the most likely cause?
The lease duration is too long
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Which utility would be the best option to help determine which IP address is currently mapped to any given MAC address?
ARP
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Which utility would be the best option to use when trying to determine the maximum bandwidth specifications of applications using either the TCP or the UDP transport protocol?
iperf
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If you discover that a service has become unresponsive, and its state is set to automatic, by which methods could the service be reset?
Restart the service
Reboot the server
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Which values would indicate that your netmask has been entered or calculated correctly?
255.0.0.0
255.255.0.0
255.255.255.0
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A packet sniffer might be used in which situations?
- Classifying traffic
- Answer C.
- Identify if weak passwords are being used
If your IP address configuration does not include a value for the default gateway, but your address and netmask are correct, which connectivity scenarios will occur?
You will only be able to connect to systems in the same network
You will not be able to connect to the internet
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Effective Isotropic Radiated Power refers to which characteristic of wireless transmission?
The strength of a transmission emanating from the antenna
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Which Linux utility would be the best option to use to help troubleshoot issues with the DNS service?
dig
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Which statement most accurately characterizes the likelihood of a MAC address conflict in a network?
They are very rare
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When troubleshooting the configuration of a firewall, which values would you expect to see configured for any entries in the Access Control List?
- Zone
- Interface on which a rule is placed
- Source and destination IP addresses
Which port scanning technique attempts to fool a target system into believing communications have been occurring by sending an indication that the conversation has ended?
FIN scan
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If you plug an ethernet cable into the network adapter of your computer and the LED status light does not activate, what is the most likely cause?
Damaged cable
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Which utility is most effective at diagnosing issues with the DNS service?
Nslookup
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A Wi-Fi analyzer would not be effective in determining which characteristic of a wireless network implementation?
- The security settings to use
Which implementation can be configured on your switches to prevent the implementation of a rogue DHCP server?
DHCP snooping
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In a wireless network, which factor would likely have the most noticeable effect on the available bandwidth of a connection?
Distance
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If the certificate on a server seems to be intact, but the server that issued the certificate in the first place cannot be verified, how would this error be classified?
Missing chain certificate
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Installing an antenna in a vertical or upright position as opposed to a horizontal position is an implementation of which characteristic of wireless transmissions?
Polarization
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A scenario whereby packets are leaving your network through one route, indicates which type of issue?
- Asymmetric routing
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