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networking 3 f1

QuestionAnswer
A VPN primarily ensures which security principle? Group of answer choices Availability Confidentiality Integrity Scalability Confidentiality
Extended IPv4 ACL numbers span: Group of answer choices 100–199, 2000–2699 1–99, 1300–1999 3000–3999 500–599 100–199, 2000–2699
What does ACL stand for? Group of answer choices Access Control List Active Control Layer Automated Configuration Logic Advanced Connection List Access Control List
What is the default behavior for traffic not explicitly permitted or denied in an ACL? Group of answer choices Permitted Denied (implicit deny) Logged Redirected Denied (implicit deny)
Which command shows OSPF neighbors? Group of answer choices show ip ospf route show ip ospf adjacency show ip ospf neighbor show ospf status show ip ospf neighbor
Phishing is an example of which type of threat? Group of answer choices DoS Social engineering Worm Rootkit Social engineering
Which command begins defining ACL 10? Group of answer choices access-list 10 permit … ip access 10 … acl 10 create start acl 10 access-list 10 permit …
What type of OSPF network requires a DR and BDR election? Group of answer choices Point-to-point Broadcast multiaccess Virtual link Stub network Broadcast multiaccess
Keeping systems patched mainly helps guard against: Group of answer choices Traffic bottlenecks Zero-day exploits Known vulnerabilities DDoS attacks Known vulnerabilities
Which of the following best describes a Designated Router (DR) on a broadcast network? Group of answer choices The fastest router The router with highest router ID The first router to boot The router connected to the core switch The router with highest router ID
Which command verifies OSPF routes in the routing table? Group of answer choices show ip route ospf show ospf routes show ip ospf routes show route ospf show ip route ospf
In single-area OSPF, all routers share the same: Group of answer choices Routing table only Link-state database Configuration file MAC address table Link-state database
What identifies each OSPF router uniquely? Group of answer choices IP address Area ID Router ID Default gateway Router ID
The primary purpose of ACLs is to: Group of answer choices Encrypt traffic Filter network traffic Monitor bandwidth Summarize routes Filter network traffic
What benefit does OSPF area structure provide? Group of answer choices Slower convergence Hierarchical scaling Traffic encryption Reduced link-state advertisements Hierarchical scaling
Which routing protocol is classified as a link-state protocol? RIP EIGRP OSPFv2 BGP OSPFv2
Which OSPF database contains complete topology information? Routing table Link-state database Adjacency database Forwarding database Link-state database
Which OSPF message is used to establish adjacency? HELLO DATA UPDATE LSACK HELLO
In single-area OSPF, which area is always required? Area 1 Area 0 Any unique area Area 255 Area 0
Which device inspects traffic for malicious patterns and blocks attacks? Hub Switch Intrusion Prevention System (IPS) DHCP server Intrusion Prevention System (IPS)
Applying the least privilege principle means: Giving all users full access Using default credentials Granting minimal necessary access Removing access restrictions Granting minimal necessary access
Where should a standard ACL be placed to control traffic effectively? As close to the source as possible Anywhere in the network As close to the destination as possible On a switch only As close to the source as possible
ACLs can also be configured to log matches for: Diagnostic purposes Enabling telnet Bandwidth management DHCP relay Diagnostic purposes
Which command applies ACL 100 inbound on interface GigabitEthernet0/1? ip access-group 100 in access-list 100 in ip attr-list 100 inbound ip acl apply 100 in ip access-group 100 in
Standard ACLs filter based on: Source IP only Destination IP only Port numbers Protocol type Source IP only
After applying ACL, to confirm its operation, use: show ip ospf interface show access-lists show arp show vlan show access-lists
Which command advertises 192.168.1.0/24 network in OSPF? network 192.168.1.0 0.0.0.255 area 0 advertise ip 192.168.1.0 255.255.255.0 area 0 ospf distribute 192.168.1.0 router ospf 0.0.0.255 network 192.168.1.0 0.0.0.255 area 0
To allow only subnet 192.168.10.0/24, the wildcard mask is: 0.0.0.255 0.0.255.0 255.255.255.0 0.255.255.255 0.0.0.255
Which command sets up OSPF with process ID 10? router ospf 10
A named standard ACL is created with: Group of answer choices access-list NAME permit … ip access-list standard NAME named acl NAME acl standard NAME ip access-list standard NAME
Standard IPv4 ACLs are identified by numbers: Group of answer choices 1–99, 1300–1999 100–199 200–299 300–399 1–99, 1300–1999
What component enforces user privilege levels in network devices? Group of answer choices Firewall Access control list AAA (Authentication, Authorization, Accounting) IDS AAA (Authentication, Authorization, Accounting)
Which of the following best describes a Designated Router (DR) on a broadcast network? Group of answer choices The fastest router The router with highest router ID The first router to boot The router connected to the core switch The router with highest router ID
Extended ACLs can filter traffic by: Group of answer choices Source IP only Destination IP only Source, destination, protocol, and port Only port numbers Source, destination, protocol, and port
A best practice for ACL efficiency is to: Group of answer choices Place standard ACLs near the source Place extended ACLs near the source Apply ACLs randomly Use wildcard masks incorrectly Place extended ACLs near the source
Which action ensures the integrity of log files? Group of answer choices Disable logging Encrypt and backup logs Route logs through insecure paths Delete logs periodically Encrypt and backup logs
Which ACL type is limited and inefficient for complex filtering? Group of answer choices Standard Extended Named Reflexive Standard
What component enforces user privilege levels in network devices? Firewall Access control list AAA (Authentication, Authorization, Accounting) IDS AAA (Authentication, Authorization, Accounting)
ACLs are typically applied on: End devices only Routers or layer-3 devices Printers Hubs Routers or layer-3 devices
What does the “CIA triad” stand for in network security? Confidentiality, Integrity, Availability Control, Investigation, Assessment Confidentiality, Identity, Authentication Control, Integrity, Authorization Confidentiality, Integrity, Availability
To deny all other traffic not previously permitted, you should: Place a deny all at the end Use log statement only Implicit deny does the job; no need to add Add allow any at the end Implicit deny does the job; no need to add
True or False: ACLs must always be explicitly applied to interfaces. Group of answer choices True False true
To configure ACL entries manually and name them “SALES”, use: Group of answer choices ip access-list extended SALES access-list SALES start named acl extended SALES acl SALES ip access-list extended SALES
Which command shows currently configured ACLs? Group of answer choices show ip access-lists display acls show acl config show ip acls show ip access-lists
What type of OSPF network requires a DR and BDR election? broadcast
Which interface type does not elect a DR or BDR? Broadcast Multiaccess Point-to-point Non-broadcast Point-to-point
Which ACL type provides the most granular filtering? Standard numbered Named standard Extended Implicit Extended
Which wildcard mask matches only the host 10.1.1.1? Group of answer choices 0.0.0.0 255.255.255.255 0.0.0.255 255.255.255.0 0.0.0.0
Created by: f3xo
 

 



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