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CCNAS_Chpt2_SecuringNetworkDevs
CCNAS_Chpt2_SecuringNetworkDevs
24
Computer Networking
Undergraduate 3
04/10/2011

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Cards

Term
A router between a trusted and untrusted network
Definition
Edge Router
Term
A router does a preliminary screening and passes external traffic to a firewall for verification before it reaches LAN
Definition
Defense-in-Depth
Term
An org has an internal LAN, external connection, and a third zone where servers are housed that are to be accessed by external traffic
Definition
DMZ
Term
One router protects teh internal network from untrusted or external network
Definition
Single Router
Term
Eliminate abuse of unused services and connections
Definition
Router hardening
Term
Eliminate abuse of unused services and connections
Definition
Router hardening
Term
Secure the features and performance of the router's IOS and config
Definition
Operating System Security
Term
Place device in secure location only accessible to authorized people
Definition
Physical Security
Term
Devices are managed using a separate network from production traffic
Definition
Out of band management
Term
If you put a space in a password, when is it ignored
Definition
at the beginning of the password
Term
Which router access methods do not require a password by default
Definition
Privilege mode
aux port
console
telnet sessions
Term
List of valid usernames and passwords on a cisco dev
Definition
Local DB
Term
All traffic is encrypted
Uses port 22
Requires configuration of a domain name
Can use local database auth or AAA
Definition
SSH
Term
A user having privilege level 10 can execute commands that are defined for level 8
default privilege levels are 1 and 15
Privilege level of a user is defined when the uname/pword are created
Definition
=True
Term
Root View is the same as level 15 privilege level? T/F
Definition
False
Term
A CLI view contains only commands, while a Superview contains only other views? T/F
Definition
True
Term
A person must be in root view to create a view
AAA must be enabled
The limit on the numbe of views, not including root is 15
Definition
True
Term
What happens when "no service password-recovery" is issued?
Definition
Access to ROMMON mode is disabledd
Term
Syslog logging types in order of severity

Every Alligator Consumes Wheaties Near Its Den
Definition
Emergencies
Alerts
Critical
Warning
Notifications
Informational
Debugging
Term
Which SNMP command is the equivalent of having the enable secret password
Definition
SET
Term
which SNMP version is recommended?
Definition
SNMPv3
Term
Best way to sync time on multiple routers?
Definition
Config NTP server, and clients
Term
NTP uses UDP port #?
Definition
123
Term
Services that are enabled by default:
Definition
ICMP redirects
SNMP
finger
DNS
Gratuitous ARP
ICMP unreachable messages
TCP and UDP minor services
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