Keyword Analysis & Research: what are two types of network layer firewalls

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what are two types of network layer firewalls	0.8	0.2	9336	16	45
what	0.48	1	5564	3	4
are	1.98	1	5606	57	3
two	1.67	0.7	6441	69	3
types	0.1	0.3	9532	3	5
of	1.31	0.7	4573	73	2
network	0.42	0.6	2067	32	7
layer	1.7	1	3482	31	5
firewalls	1.78	0.8	676	73	9

Keyword	CPC	PCC	Volume	Score
what are two types of network layer firewalls	1.44	0.8	5405	74