To determine best path, routers use metrics such as the value of the first octet of the destination IP address.
answer
False
question
A rollover cable is wired similarly to an Ethernet cable except that pins 7 and 8 are crossed.
answer
False
question
Current Microsoft OSs include IPv6, but to use it, you must enable it first.
answer
False
question
Cisco routers support both numbered and named ACLs, starting with IOS version 11.2.
answer
True
question
Some methods of attacking a Cisco router do not require knowledge of the IOS version, so software patching is recommended.
answer
True
question
Which of the following is a metric routers can use to determine best path?
answer
Linkstate
question
What is contained in ARP tables?
answer
IP address, MAC address
question
Which of the following is NOT a type of entry found in a routing table?
answer
Backup routes
question
Which of the following is true about static routes?
answer
They are used for stub networks
question
What uses mathematical calculations to compare routes based on some measurement of distance?
answer
Distance-vector routing protocol
question
Which of the following makes routing tables more efficient?
answer
Route summerization
question
What feature does RIPng support that is not supported by RIP?
answer
IPv6
question
Which feature of a router provides traffic flow and enhances network security?
answer
ACLs
question
Which of the following is true about ACLs on Cisco routers?
answer
there is an implicit deny any statement at the end of the ACL
question
Which of the following is true about extended IP ACLs?
answer
they should be applied to an interface close to the traffic source
question
Which of the following is a command you would find in an antispoofing ACL for network 172.31.0.0/16?
answer
deny ip 172.31.0.0 0.0.255.255 any log
question
Which of the following is an open standard used for authentication on Cisco routers?
answer
RADIUS
question
Which of the following types of password prevents a user from accessing privileged exec mode on a Cisco router?
answer
Enable
question
What remote shell program should you use if security is a consideration?
answer
Ssh
question
Which protocol that runs on Cisco routers shares information between Cisco devices?
answer
CDP
question
the port on a Cisco device that permits direct physical access from a nearby computer using the serial RS-232 protocol
answer
Console port
question
cost values that help routers assess the desirability of a link
answer
Metrics
question
virtual session access points for simultaneous access to a Cisco device
answer
Virtual terminal
question
a state in which all routers on a network have up-to-date routing tables
answer
Convergence
question
a router that connects a stub network to the larger network
answer
stub router
question
a network system tool that lists the MAC and IP address resolutions of other devices on the network, making the resolution process more efficient
answer
ARP table
question
the number in an access control list that specifies which part of an IP address is considered significant
answer
Inverse mask
question
an individual rule in an ACL
answer
ACE
question
the process of transporting packets of information across a network from the source node to the destination node
answer
Routing
question
a message, usually a warning about appropriate use, presented to users of a digital system before authentication
answer
Banner
question
What is a dynamic route?
answer
Dynamic routing is a networking technique that provides optimal data routing. Unlike static routing, dynamic routing enables routers to select paths according to real-time logical network layout changes
question
Describe ACLs.
answer
Access control list (ACL) refers to the permissions attached to an object that specify which users are granted access to that object and the operations it is allowed to perform.
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