PPP

Question 1

If authentication fails what state will the interface be in?

Answer 1

up/down

Question 2

What is the one-way hash algorithm used by CHAP?

Answer 2

MD5

Question 3

What commands are applied to a router to enable CHAP?

Answer 3

• int s0/0/0
  
  • encap ppp
  • ppp authentication chap
• global config
  
  • username password (used by remote router)

Question 4

What ‘show’ command will confirm whether authentication was successful?

Answer 4

‘show ppp all’

Question 5

What commands are applied to a router to enable PAP?

Answer 5

• int s0/0
  
  • encap ppp
  • ppp authentication pap
  • ppp sent-username R1 password pass1
• global config
  
  • username r2 password pass2

Question 6

What interface command will cause a router to try CHAP first and if it fails use PAP?

Answer 6

ppp authentication chap pap

Question 7

Which two types of interfaces are configured to enable MLPPP?

Answer 7

• multilink interface (mu1)
• serial interface (s0/0)

Question 8

For MLPPP what configuration lines go on the mu1 interface?

Answer 8

• int mu1
  
  • ip address 10.1.1.1 255.255.255.0
  • encap ppp
  • ppp multilink
  • ppp multilink group 1

Question 9

For MLPPP what commands go on the serial interfaces?

Answer 9

• int s0/0
  
  • encap ppp
  • ppp multilink
  • ppp multilink group 1

Question 10

For MLPPP which parameters need to match on both sides of the link?

Answer 10

• the multilink interface number (mu1)
• ppp multilink group number (ppp multilink group 1)