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BOSON CCNA EXAM B QUESTIONS AND ANSWERS
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BOSON CCNA EXAM B QUESTIONS AND ANSWERS
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BOSON CCNA EXAM B QUESTIONS AND ANSWERSWhat protocol is used to manage network devices? - Answers - SNMP
What do SNMPv1 and SNMPv2 use to provide authentication? - Answers - community
strings
A malicsious user can sniff out what on an SNMP to access and modify network
devices? - Answers - community strings
SNMPv1 and SNMPv2 are encrypted. T/F? - Answers - False
What protocol is an enhancement to SNMP protocol that uses encryption to provide
confidentiality, integrity, and authentication. - Answers - SNMPv3
What version of SNMP supports user and group configuration in its authentication
security model? - Answers - SNMPv3
Before you can configure SNMPv3 users, what must you configure? - Answers -
SNMPv3 group that maps users to view, The IP address or port number for the remote
SNMP agent where the user is configured, and the SNMP engine ID by using the
'snmp-server engineID' command
What protocol is used to send mail? - Answers - SMTP
What protocols are used to receive mail? - Answers - POP3 and IMAP4
By default, CDP sends advertisements every how many seconds? - Answers - 60
How many seconds does CDP retain information about a neighbor? - Answers - 180
What command can provide detailed information about neighboring devices that have
been discovered by using CDP? - Answers - show cdp neighbors detail
What CDP can you use that doesn't disply the IP address of the neighboring device? -
Answers - show cdp neighbors
What CDP command displays global information including timer and holdtime
information? - Answers - show cdp
What CDP command displays information about the interfaces on which CDP is
enabled? - Answers - show cdp interface
What kind of device is used to allow multiple VMs to communicate within a host
system? - Answers - Virtual switch
, What kind of device is used to route telephone calls? - Answers - Virtual private branch
exchange (PBX)
What is an allocated section of hard drive space that can be used as additional RAM? -
Answers - virtual memory
What is the command to change the administrative distance for a routing protocol? -
Answers - distance
Metrics can only be used to compare routes from what kind of routing protocols? -
Answers - the same protocols
What is used to determine which route a packet will take when multiple routes to
overlapping networks exist? - Answers - Prefix lengths
When multiple routes to overlapping networks exist, a router will prefer the most specific
route which is what? - Answers - the route with the longest prefix match
What routing protocol must have matching process IDs? - Answers - EIGRP
what is the command to change the cost of a link in OSPF? - Answers - ip ospf cost
What OSPF network type has a default hello timer of 10 seconds and a default dead
timer of 40 seconds? - Answers - point-to-point and broadcast
What OSPF network type has a default hello timer of 30 seconds and a dead timer of
120 seconds? - Answers - nonbroadcast, point-to-multipoint, and point-to-multipoint
nonbroadcast
The OSPF point-to-point network type is enabled by default on what two interfaces? -
Answers - HDLC and PPP
When issuing the 'show ap config general MyLAP' command, what are you likely to
see? - Answers - Syslog server settings
When traffic over a VLAN is not tagged, what is not added to the frame? - Answers -
802.1q header
what is a benefit of network automation? - Answers - data models are formalized and
defined by a centralized controller.
What do SDNs use to send network instructions from software applications to the
central controller? - Answers - northbound APIs
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